UMW follow-up (#21791)

Marlin/src/lcd/menu/menu_ubl.cpp

       sprintf_P(ubl_lcd_gcode, PSTR("M1004S%i"), ubl_storage_slot);
     #endif
     queue.inject(ubl_lcd_gcode);
+    ui.return_to_status();
   }
 
   void _menu_ubl_mesh_wizard() {
     BACK_ITEM(MSG_UBL_LEVEL_BED);
 
     #if HAS_HOTEND
-      EDIT_ITEM(int3, MSG_UBL_HOTEND_TEMP_CUSTOM, &custom_hotend_temp, EXTRUDE_MINTEMP, thermalManager.hotend_max_target(0));
+      EDIT_ITEM(int3, MSG_UBL_HOTEND_TEMP_CUSTOM, &custom_hotend_temp, HEATER_0_MINTEMP + 20, thermalManager.hotend_max_target(0));
     #endif
 
     #if HAS_HEATED_BED
-      EDIT_ITEM(int3, MSG_UBL_BED_TEMP_CUSTOM, &custom_bed_temp, BED_MINTEMP, BED_MAX_TARGET);
+      EDIT_ITEM(int3, MSG_UBL_BED_TEMP_CUSTOM, &custom_bed_temp, BED_MINTEMP + 20, BED_MAX_TARGET);
     #endif
 
     EDIT_ITEM(int3, MSG_UBL_STORAGE_SLOT, &ubl_storage_slot, 0, total_slots);