🌐 Fix, add some menu labels (#23895)

Marlin/src/lcd/language/language_de.h

   LSTR MSG_BED_LEVELING                   = _UxGT("Bett-Nivellierung");
   LSTR MSG_LEVEL_BED                      = _UxGT("Bett nivellieren");
   LSTR MSG_BED_TRAMMING                   = _UxGT("Bett ausrichten");
+  LSTR MSG_BED_TRAMMING_MANUAL            = _UxGT("Manuelles ausrichten");
   LSTR MSG_BED_TRAMMING_RAISE             = _UxGT("Das Bett anpassen, bis zum auslösen.");
   LSTR MSG_BED_TRAMMING_IN_RANGE          = _UxGT("Ecken in der Toleranz. Bett ausger.");
   LSTR MSG_BED_TRAMMING_GOOD_POINTS       = _UxGT("Gute Punkte: ");
   LSTR MSG_CONTRAST                       = _UxGT("LCD-Kontrast");
   LSTR MSG_BRIGHTNESS                     = _UxGT("LCD Helligkeit");
   LSTR MSG_LCD_BKL_TIMEOUT                = _UxGT("LCD-Ruhezustand (s)");
+  LSTR MSG_BRIGHTNESS_OFF                 = _UxGT("LCD ausschalten");
   LSTR MSG_STORE_EEPROM                   = _UxGT("Konfig. speichern");
   LSTR MSG_LOAD_EEPROM                    = _UxGT("Konfig. laden");
   LSTR MSG_RESTORE_DEFAULTS               = _UxGT("Standardwerte laden");
   LSTR MSG_BUTTON_RESET                   = _UxGT("Reseten");
   LSTR MSG_BUTTON_IGNORE                  = _UxGT("Ignorieren");
   LSTR MSG_BUTTON_CANCEL                  = _UxGT("Abbrechen");
+  LSTR MSG_BUTTON_CONFIRM                 = _UxGT("Bestätigen");
+  LSTR MSG_BUTTON_CONTINUE                = _UxGT("Fortsetzen");
   LSTR MSG_BUTTON_DONE                    = _UxGT("Fertig");
   LSTR MSG_BUTTON_BACK                    = _UxGT("Zurück");
   LSTR MSG_BUTTON_PROCEED                 = _UxGT("Weiter");
   LSTR MSG_BUTTON_PAUSE                   = _UxGT("Pause");
   LSTR MSG_BUTTON_RESUME                  = _UxGT("Fortsetzen");
   LSTR MSG_BUTTON_ADVANCED                = _UxGT("Erweitert");
+  LSTR MSG_BUTTON_SAVE                    = _UxGT("Speichern");
   LSTR MSG_PAUSING                        = _UxGT("Pause...");
   LSTR MSG_PAUSE_PRINT                    = _UxGT("SD-Druck pausieren");
   LSTR MSG_ADVANCED_PAUSE                 = _UxGT("Erweiterte Pause");

Marlin/src/lcd/language/language_en.h

   LSTR MSG_ADVANCE_K_E                    = _UxGT("Advance K *");
   LSTR MSG_CONTRAST                       = _UxGT("LCD Contrast");
   LSTR MSG_BRIGHTNESS                     = _UxGT("LCD Brightness");
-  LSTR MSG_BRIGHTNESS_OFF                 = _UxGT("Turn Off LCD");
+  LSTR MSG_LCD_BKL_TIMEOUT                = _UxGT("LCD Timeout (s)");
+  LSTR MSG_BRIGHTNESS_OFF                 = _UxGT("Backlight Off");
   LSTR MSG_STORE_EEPROM                   = _UxGT("Store Settings");
   LSTR MSG_LOAD_EEPROM                    = _UxGT("Load Settings");
   LSTR MSG_RESTORE_DEFAULTS               = _UxGT("Restore Defaults");

Marlin/src/lcd/language/language_fr.h

   LSTR MSG_BRIGHTNESS                     = _UxGT("Luminosité LCD");
   LSTR MSG_CONTRAST                       = _UxGT("Contraste LCD");
   LSTR MSG_LCD_BKL_TIMEOUT                = _UxGT("Veille LCD (s)");
+  LSTR MSG_BRIGHTNESS_OFF                 = _UxGT("Éteindre l'écran LCD");
   LSTR MSG_STORE_EEPROM                   = _UxGT("Enregistrer config.");
   LSTR MSG_LOAD_EEPROM                    = _UxGT("Charger config.");
   LSTR MSG_RESTORE_DEFAULTS               = _UxGT("Restaurer défauts");