🩹 Fix DGUS (MKS) compile (#24378)

Marlin/src/lcd/marlinui.h

@@ -502,7 +502,6 @@ public:
   #else // No LCD
 
     static void update() {}
-    static void return_to_status() {}
     static void kill_screen(FSTR_P const, FSTR_P const) {}
 
   #endif
@@ -609,6 +608,8 @@ public:
 
   #else
 
+    static void return_to_status() {}
+
     static constexpr bool on_status_screen() { return true; }
 
     #if HAS_WIRED_LCD