🐛 Fix STATUS_COMBINE_HEATERS compile (#22405)

Marlin/src/lcd/dogm/status_screen_DOGM.cpp

@@ -264,6 +264,8 @@ FORCE_INLINE void _draw_centered_temp(const celsius_t temp, const uint8_t tx, co
       #define HOTEND_BITMAP(N,S) status_hotend_a_bmp
     #endif
 
+    #if DISABLED(STATUS_COMBINE_HEATERS)
+
       if (PAGE_CONTAINS(STATUS_HEATERS_Y, STATUS_HEATERS_BOT)) {
 
         #define BAR_TALL (STATUS_HEATERS_HEIGHT - 2)
@@ -288,6 +290,8 @@ FORCE_INLINE void _draw_centered_temp(const celsius_t temp, const uint8_t tx, co
 
       } // PAGE_CONTAINS
 
+    #endif // !STATUS_COMBINE_HEATERS
+
     if (PAGE_UNDER(7)) {
       #if HEATER_IDLE_HANDLER
         const bool dodraw = (blink || !thermalManager.heater_idle[heater_id].timed_out);