Mixer patch, etc.

Marlin/src/feature/I2CPositionEncoder.cpp

     travelledDistance = mm_from_count(ABS(stopCount - startCount));
 
     SERIAL_ECHOLNPAIR("Attempted travel: ", travelDistance, "mm");
-
     SERIAL_ECHOLNPAIR("   Actual travel:  ", travelledDistance, "mm");
 
     //Calculate new axis steps per unit

Marlin/src/lcd/menu/menu_mixer.cpp

     #endif
   );
 
-  MENU_ITEM(submenu, MSG_MIX,
-    #if CHANNEL_MIX_EDITING
-      _lcd_goto_mix_edit
-    #elif DUAL_MIXING_EXTRUDER
-      lcd_mixer_mix_edit
-    #endif
-  );
-
   #if DUAL_MIXING_EXTRUDER
   {
     char tmp[10];
+    MENU_ITEM(submenu, MSG_MIX, lcd_mixer_mix_edit);
     MENU_ITEM_ADDON_START(10);
       mixer.update_mix_from_vtool();
       sprintf_P(tmp, PSTR("%3d;%3d%%"), int(mixer.mix[0]), int(mixer.mix[1]));
     MENU_ITEM_ADDON_END();
     MENU_ITEM(function, MSG_TOGGLE_MIX, _lcd_mixer_toggle_mix);
   }
+  #else
+    MENU_ITEM(submenu, MSG_MIX, _lcd_goto_mix_edit);
   #endif
 
   MENU_ITEM(submenu, MSG_RESET_VTOOLS, menu_mixer_vtools_reset_confirm);