Fix Tune/Fan edit items

- Fixes #19617
- Followup to #18400

Marlin/src/lcd/menu/menu_item.h

@@ -452,3 +452,31 @@ class MenuItem_bool : public MenuEditItemBase {
 #if ENABLED(LEVEL_BED_CORNERS)
   void _lcd_level_bed_corners();
 #endif
+
+#if HAS_FAN
+
+  #include "../../module/temperature.h"
+
+  inline void on_fan_update() {
+    thermalManager.set_fan_speed(MenuItemBase::itemIndex, editable.uint8);
+  }
+
+  #if ENABLED(EXTRA_FAN_SPEED)
+    #define EDIT_EXTRA_FAN_SPEED(V...) EDIT_ITEM_FAST_N(V)
+  #else
+    #define EDIT_EXTRA_FAN_SPEED(...)
+  #endif
+
+  #define _FAN_EDIT_ITEMS(F,L) do{ \
+    editable.uint8 = thermalManager.fan_speed[F]; \
+    EDIT_ITEM_FAST_N(percent, F, MSG_##L, &editable.uint8, 0, 255, on_fan_update); \
+    EDIT_EXTRA_FAN_SPEED(percent, F, MSG_EXTRA_##L, &thermalManager.new_fan_speed[F], 3, 255); \
+  }while(0)
+
+  #if FAN_COUNT > 1
+    #define FAN_EDIT_ITEMS(F) _FAN_EDIT_ITEMS(F,FAN_SPEED_N)
+  #endif
+
+  #define SNFAN(N) (ENABLED(SINGLENOZZLE_STANDBY_FAN) && !HAS_FAN##N && EXTRUDERS > N)
+
+#endif // HAS_FAN