Route render debug callback through platform services

src/app_events.cpp

@@ -252,6 +252,11 @@ void App::apply_render_platform_hints()
     active_platform_services().apply_render_platform_hints();
 }
 
+void App::install_render_debug_callback()
+{
+    active_platform_services().install_render_debug_callback();
+}
+
 void App::begin_render_capture_frame()
 {
     active_platform_services().begin_render_capture_frame();