Merge branch 'remove-ui-render-task' of https://github.com/Tryibion/FlaxEngine into Tryibion-remove-ui-render-task

Source/Engine/UI/UICanvas.cs

@@ -843,6 +843,13 @@ namespace FlaxEngine
 
             if (_renderer)
             {
+#if FLAX_EDITOR
+                if (_editorTask != null)
+                {
+                    _editorTask.RemoveCustomPostFx(_renderer);
+                    return;
+                }
+#endif
                 SceneRenderTask.RemoveGlobalCustomPostFx(_renderer);
             }
         }