fix:On the Windows app SDK using CameraHelper, FrameArrived time execution for a period of time will not be triggered.

Author: GreenShadeZhang

components/Helpers/src/CameraHelper/CameraHelper.cs

@@ -295,6 +295,7 @@ private void Reader_FrameArrived(MediaFrameReader sender, MediaFrameArrivedEvent
             var frameArgs = new FrameEventArgs() { VideoFrame = vmf.GetVideoFrame() };
             handler?.Invoke(sender, frameArgs);
         }
+        frame?.Dispose();
     }
 
     private bool disposedValue = false;

components/Helpers/src/CameraHelper/FrameEventArgs.cs

@@ -42,6 +42,8 @@ public VideoFrame VideoFrame
             }
 
             _semaphore.Release();
+            _videoFrame?.SoftwareBitmap?.Dispose();
+            _videoFrame?.Dispose();
             return _videoFrameCopy! ?? _videoFrame!;
         }