🎨 Add MKS UI goto_previous_ui

Marlin/src/lcd/extui/mks_ui/draw_about.cpp

   if (event != LV_EVENT_RELEASED) return;
   switch (obj->mks_obj_id) {
     case ID_A_RETURN:
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
   }
 }

Marlin/src/lcd/extui/mks_ui/draw_baby_stepping.cpp

         TERN_(EEPROM_SETTINGS, (void)settings.save());
         has_adjust_z = 0;
       }
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
   }
 }

Marlin/src/lcd/extui/mks_ui/draw_change_speed.cpp

       disp_speed_step();
       break;
     case ID_C_RETURN:
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
   }
 }

Marlin/src/lcd/extui/mks_ui/draw_cloud_bind.cpp

   if (event != LV_EVENT_RELEASED) return;
   switch (obj->mks_obj_id) {
     case ID_CLOUD_BIND_RETURN:
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
     case ID_CLOUD_RELEASE_BIND:
       if (cloud_para.state == 0x12) {

Marlin/src/lcd/extui/mks_ui/draw_dialog.cpp

     else if (DIALOG_IS(PAUSE_MESSAGE_OPTION))
       pause_menu_response = PAUSE_RESPONSE_EXTRUDE_MORE;
     else if (DIALOG_IS(PAUSE_MESSAGE_RESUME)) {
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
     }
   #endif
   else if (DIALOG_IS(STORE_EEPROM_TIPS)) {
     TERN_(EEPROM_SETTINGS, (void)settings.save());
-    clear_cur_ui();
-    draw_return_ui();
+    goto_previous_ui();
   }
   else if (DIALOG_IS(READ_EEPROM_TIPS)) {
     TERN_(EEPROM_SETTINGS, (void)settings.load());
-    clear_cur_ui();
-    draw_return_ui();
+    goto_previous_ui();
   }
   else if (DIALOG_IS(REVERT_EEPROM_TIPS)) {
     TERN_(EEPROM_SETTINGS, (void)settings.reset());
   }
   else if (DIALOG_IS(WIFI_CONFIG_TIPS)) {
     uiCfg.configWifi = true;
-    clear_cur_ui();
-    draw_return_ui();
+    goto_previous_ui();
   }
   else if (DIALOG_IS(TYPE_FILAMENT_HEAT_LOAD_COMPLETED))
     uiCfg.filament_heat_completed_load = true;
   else if (DIALOG_IS(TYPE_FILAMENT_HEAT_UNLOAD_COMPLETED))
     uiCfg.filament_heat_completed_unload = true;
   else if (DIALOG_IS(TYPE_FILAMENT_LOAD_COMPLETED, TYPE_FILAMENT_UNLOAD_COMPLETED)) {
-    clear_cur_ui();
-    draw_return_ui();
+    goto_previous_ui();
   }
   #if ENABLED(MKS_WIFI_MODULE)
     else if (DIALOG_IS(TYPE_UNBIND)) {
       cloud_unbind();
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
     }
   #endif
   else {
-    clear_cur_ui();
-    draw_return_ui();
+    goto_previous_ui();
   }
 }
 
   }
   else if (DIALOG_IS(TYPE_FILAMENT_LOAD_HEAT, TYPE_FILAMENT_UNLOAD_HEAT, TYPE_FILAMENT_HEAT_LOAD_COMPLETED, TYPE_FILAMENT_HEAT_UNLOAD_COMPLETED)) {
     thermalManager.setTargetHotend(uiCfg.hotendTargetTempBak, uiCfg.extruderIndex);
-    clear_cur_ui();
-    draw_return_ui();
+    goto_previous_ui();
   }
   else if (DIALOG_IS(TYPE_FILAMENT_LOADING, TYPE_FILAMENT_UNLOADING)) {
     queue.enqueue_one(F("M410"));
     uiCfg.filament_unloading_time_flg  = false;
     uiCfg.filament_unloading_time_cnt  = 0;
     thermalManager.setTargetHotend(uiCfg.hotendTargetTempBak, uiCfg.extruderIndex);
-    clear_cur_ui();
-    draw_return_ui();
+    goto_previous_ui();
   }
   else {
-    clear_cur_ui();
-    draw_return_ui();
+    goto_previous_ui();
   }
 }
 

Marlin/src/lcd/extui/mks_ui/draw_extrusion.cpp

       disp_ext_speed();
       break;
     case ID_E_RETURN:
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
   }
 }

Marlin/src/lcd/extui/mks_ui/draw_fan.cpp

     case ID_F_HIGH: fanPercent = 100; break;
     case ID_F_MID:  fanPercent =  50; break;
     case ID_F_OFF:  fanPercent =   0; break;
-    case ID_F_RETURN: clear_cur_ui(); draw_return_ui(); return;
+    case ID_F_RETURN: goto_previous_ui(); return;
   }
   thermalManager.set_fan_speed(0, map(fanPercent, 0, 100, 0, 255));
   if (obj->mks_obj_id != ID_F_RETURN) disp_fan_value();

Marlin/src/lcd/extui/mks_ui/draw_filament_change.cpp

         planner.set_e_position_mm((destination.e = current_position.e = uiCfg.current_e_position_bak));
       thermalManager.setTargetHotend(uiCfg.hotendTargetTempBak, uiCfg.extruderIndex);
 
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
   }
 }

Marlin/src/lcd/extui/mks_ui/draw_home.cpp

       queue.inject(F("M84XY"));
       break;
     case ID_H_RETURN:
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
   }
 }

Marlin/src/lcd/extui/mks_ui/draw_keyboard.cpp

   }
   else if (strcmp_P(txt, PSTR(LV_SYMBOL_CLOSE)) == 0) {
     if (kb->event_cb != lv_kb_def_event_cb) {
-      lv_clear_keyboard();
-      draw_return_ui();
+      goto_previous_ui();
     }
     else {
       lv_kb_set_ta(kb, nullptr); // De-assign the text area to hide its cursor if needed
         #if ENABLED(MKS_WIFI_MODULE)
           case wifiName:
             memcpy(uiCfg.wifi_name, ret_ta_txt, sizeof(uiCfg.wifi_name));
-            lv_clear_keyboard();
-            draw_return_ui();
+            goto_previous_ui();
             break;
           case wifiPassWord:
             memcpy(uiCfg.wifi_key, ret_ta_txt, sizeof(uiCfg.wifi_name));
-            lv_clear_keyboard();
-            draw_return_ui();
+            goto_previous_ui();
             break;
           case wifiConfig:
             ZERO(uiCfg.wifi_name);
           uint8_t buf[100];
           strncpy((char *)buf, ret_ta_txt, sizeof(buf));
           update_gcode_command(AUTO_LEVELING_COMMAND_ADDR, buf);
-          lv_clear_keyboard();
-          draw_return_ui();
+          goto_previous_ui();
           break;
         case GCodeCommand:
           if (ret_ta_txt[0] && !queue.ring_buffer.full(3)) {

Marlin/src/lcd/extui/mks_ui/draw_move_motor.cpp

       disp_move_dist();
       break;
     case ID_M_RETURN:
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       return;
   }
   disp_cur_pos();

Marlin/src/lcd/extui/mks_ui/draw_number_key.cpp

     case ID_NUM_CONFIRM:
       last_disp_state = NUMBER_KEY_UI;
       if (strlen(key_value) != 0) set_value_confirm();
-      lv_clear_number_key();
-      draw_return_ui();
+      goto_previous_ui();
       break;
   }
 }

Marlin/src/lcd/extui/mks_ui/draw_operation.cpp

       lv_draw_change_speed();
       break;
     case ID_O_RETURN:
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
     case ID_O_POWER_OFF:
       if (gCfgItems.finish_power_off) {

Marlin/src/lcd/extui/mks_ui/draw_preHeat.cpp

       disp_desire_temp();
       break;
     case ID_P_RETURN:
-      clear_cur_ui();
-      draw_return_ui();
+      goto_previous_ui();
       break;
     case ID_P_ABS:
       if (uiCfg.curTempType == 0) {

Marlin/src/lcd/extui/mks_ui/draw_touch_calibration.cpp

   switch (obj->mks_obj_id) {
     case ID_TC_RETURN:
       TERN_(MKS_TEST, current_disp_ui = 1);
-      lv_clear_touch_calibration_screen();
-      draw_return_ui();
+      goto_previous_ui();
       break;
   }
 }

Marlin/src/lcd/extui/mks_ui/draw_tramming_pos_settings.cpp

   switch (obj->mks_obj_id) {
     case ID_MANUAL_POS_RETURN:
       uiCfg.para_ui_page = false;
-      lv_clear_tramming_pos_settings();
-      draw_return_ui();
+      goto_previous_ui();
       return;
     case ID_MANUAL_POS_X1:
       value = level_pos_x1;

Marlin/src/lcd/extui/mks_ui/draw_ui.cpp

   }
 }
 
+void goto_previous_ui() {
+  clear_cur_ui();
+  draw_return_ui();
+}
+
 // Set the same image for both Released and Pressed
 void lv_imgbtn_set_src_both(lv_obj_t *imgbtn, const void *src) {
   lv_imgbtn_set_src(imgbtn, LV_BTN_STATE_REL, src);

Marlin/src/lcd/extui/mks_ui/draw_ui.h

 void GUI_RefreshPage();
 void clear_cur_ui();
 void draw_return_ui();
+void goto_previous_ui();
 void sd_detection();
 void gCfg_to_spiFlah();
 void print_time_count();

Marlin/src/lcd/extui/mks_ui/draw_wifi_settings.cpp

   if (event != LV_EVENT_RELEASED) return;
   switch (obj->mks_obj_id) {
     case ID_WIFI_RETURN:
-      lv_clear_wifi_settings();
-      draw_return_ui();
+      goto_previous_ui();
       break;
     case ID_WIFI_MODEL:
       if (gCfgItems.wifi_mode_sel == AP_MODEL) {