[PATCH v3 0/3] MR10458: quartz: Reset the completion event on paused -> running transition.

[Akihiro Sagawa (＠sgwaki)]

Otherwise, `WaitForCompletion` returns immediately because the completion event remains set.

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  v3: quartz: Don't leak the completion event handle.
      quartz: Reset the completion event on paused -> running transition.
      quartz/tests: Add IMediaEvent(Ex)::WaitForCompletion tests.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10458