Route render capture hooks through platform services

src/platform_legacy/legacy_platform_services.cpp

@@ -144,6 +144,14 @@ public:
 #endif
     }
 
+    void begin_render_capture_frame() override
+    {
+    }
+
+    void end_render_capture_frame() override
+    {
+    }
+
     void update_platform_frame(float delta_time_seconds) override
     {
         (void)delta_time_seconds;