优化，改bug

Signed-off-by: TRADER_FOER <lhf190@outlook.com>

Assets/Scripts/Manager/PostProcessingManager.cs

@@ -17,5 +17,16 @@ namespace Ichni
         
         [ShowInInspector, SerializeField]
         private Volume globalVolume;
+
+        public static void EnsureActiveCameraPostProcessing()
+        {
+            Camera camera = EditorManager.instance?.cameraManager?.currentCamera;
+            if (camera == null) return;
+
+            UniversalAdditionalCameraData cameraData = camera.GetComponent<UniversalAdditionalCameraData>();
+            if (cameraData == null) return;
+
+            cameraData.renderPostProcessing = true;
+        }
     }
-}
+}