✨ DOGM Display Sleep (#23992)

Co-authored-by: borland1 <barryorlando@hotmail.com>

Marlin/src/lcd/language/language_en.h

@@ -442,6 +442,7 @@ namespace Language_en {
   LSTR MSG_CONTRAST                       = _UxGT("LCD Contrast");
   LSTR MSG_BRIGHTNESS                     = _UxGT("LCD Brightness");
   LSTR MSG_LCD_TIMEOUT_SEC                = _UxGT("LCD Timeout (s)");
+  LSTR MSG_SCREEN_TIMEOUT                 = _UxGT("LCD Timeout (m)");
   LSTR MSG_BRIGHTNESS_OFF                 = _UxGT("Backlight Off");
   LSTR MSG_STORE_EEPROM                   = _UxGT("Store Settings");
   LSTR MSG_LOAD_EEPROM                    = _UxGT("Load Settings");