Fan menus fix. FR cosmetic change. (#15714)

Marlin/src/lcd/language/language_fr.h

   PROGMEM Language_Str MSG_SWITCH_PS_ON                    = _UxGT("Allumer alim.");
   PROGMEM Language_Str MSG_SWITCH_PS_OFF                   = _UxGT("Eteindre alim.");
   PROGMEM Language_Str MSG_EXTRUDE                         = _UxGT("Extrusion");
-  PROGMEM Language_Str MSG_RETRACT                         = _UxGT("Retrait");
+  PROGMEM Language_Str MSG_RETRACT                         = _UxGT("Rétractation");
   PROGMEM Language_Str MSG_MOVE_AXIS                       = _UxGT("Déplacer un axe");
   PROGMEM Language_Str MSG_BED_LEVELING                    = _UxGT("Régler Niv. lit");
   PROGMEM Language_Str MSG_LEVEL_BED                       = _UxGT("Niveau du lit");
   PROGMEM Language_Str MSG_NOZZLE_5                        = _UxGT("Buse ") LCD_STR_N5;
   PROGMEM Language_Str MSG_BED                             = _UxGT("Lit");
   PROGMEM Language_Str MSG_CHAMBER                         = _UxGT("Caisson");
-  PROGMEM Language_Str MSG_FAN_SPEED                       = _UxGT("Vitesse ventil.");
-  PROGMEM Language_Str MSG_FAN_SPEED_1                     = _UxGT("Vitesse ventil. 1");
-  PROGMEM Language_Str MSG_FAN_SPEED_2                     = _UxGT("Vitesse ventil. 2");
-  PROGMEM Language_Str MSG_FAN_SPEED_3                     = _UxGT("Vitesse ventil. 3");
-  PROGMEM Language_Str MSG_EXTRA_FAN_SPEED                 = _UxGT("Extra V ventil.");
-  PROGMEM Language_Str MSG_EXTRA_FAN_SPEED_1               = _UxGT("Extra V ventil. 1");
-  PROGMEM Language_Str MSG_EXTRA_FAN_SPEED_2               = _UxGT("Extra V ventil. 2");
-  PROGMEM Language_Str MSG_EXTRA_FAN_SPEED_3               = _UxGT("Extra V ventil. 3");
+  PROGMEM Language_Str MSG_FAN_SPEED                       = _UxGT("Vit.  ventil.  ");
+  PROGMEM Language_Str MSG_FAN_SPEED_1                     = _UxGT("Vit.  ventil. 1");
+  PROGMEM Language_Str MSG_FAN_SPEED_2                     = _UxGT("Vit.  ventil. 2");
+  PROGMEM Language_Str MSG_FAN_SPEED_3                     = _UxGT("Vit.  ventil. 3");
+  PROGMEM Language_Str MSG_EXTRA_FAN_SPEED                 = _UxGT("Extra ventil.  ");
+  PROGMEM Language_Str MSG_EXTRA_FAN_SPEED_1               = _UxGT("Extra ventil. 1");
+  PROGMEM Language_Str MSG_EXTRA_FAN_SPEED_2               = _UxGT("Extra ventil. 2");
+  PROGMEM Language_Str MSG_EXTRA_FAN_SPEED_3               = _UxGT("Extra ventil. 3");
 
   PROGMEM Language_Str MSG_FLOW                            = _UxGT("Flux");
   PROGMEM Language_Str MSG_FLOW_0                          = _UxGT("Flux ") LCD_STR_N0;

Marlin/src/lcd/menu/menu_temperature.cpp

         EDIT_ITEM_FAST(percent, MSG_EXTRA_FAN_SPEED_1, &thermalManager.new_fan_speed[0], 3, 255);
       #endif
     #endif
-    #if HAS_FAN1 || (ENABLED(SINGLENOZZLE) && EXTRUDERS > 1)
+    #if HAS_FAN1
       editable.uint8 = thermalManager.fan_speed[1];
       EDIT_ITEM_FAST(percent, MSG_FAN_SPEED_2, &editable.uint8, 0, 255, [](){ thermalManager.set_fan_speed(1, editable.uint8); });
       #if ENABLED(EXTRA_FAN_SPEED)
         EDIT_ITEM_FAST(percent, MSG_EXTRA_FAN_SPEED_2, &thermalManager.new_fan_speed[1], 3, 255);
       #endif
     #endif
-    #if HAS_FAN2 || (ENABLED(SINGLENOZZLE) && EXTRUDERS > 2)
+    #if HAS_FAN2
       editable.uint8 = thermalManager.fan_speed[2];
       EDIT_ITEM_FAST(percent, MSG_FAN_SPEED_3, &editable.uint8, 0, 255, [](){ thermalManager.set_fan_speed(2, editable.uint8); });
       #if ENABLED(EXTRA_FAN_SPEED)

Marlin/src/lcd/menu/menu_tune.cpp

         EDIT_ITEM_FAST(percent, MSG_FIRST_EXTRA_FAN_SPEED, &thermalManager.new_fan_speed[0], 3, 255);
       #endif
     #endif
-    #if HAS_FAN1 || (ENABLED(SINGLENOZZLE) && EXTRUDERS > 1)
+    #if HAS_FAN1
       editable.uint8 = thermalManager.fan_speed[1];
       EDIT_ITEM_FAST(percent, MSG_FAN_SPEED_2, &editable.uint8, 0, 255, [](){ thermalManager.set_fan_speed(1, editable.uint8); });
       #if ENABLED(EXTRA_FAN_SPEED)
         EDIT_ITEM_FAST(percent, MSG_EXTRA_FAN_SPEED_2, &thermalManager.new_fan_speed[1], 3, 255);
       #endif
     #endif
-    #if HAS_FAN2 || (ENABLED(SINGLENOZZLE) && EXTRUDERS > 2)
+    #if HAS_FAN2
       editable.uint8 = thermalManager.fan_speed[2];
       EDIT_ITEM_FAST(percent, MSG_FAN_SPEED_3, &editable.uint8, 0, 255, [](){ thermalManager.set_fan_speed(2, editable.uint8); });
       #if ENABLED(EXTRA_FAN_SPEED)