[bluray] Cast click coordinates from float to uint16_t.
[bluray][Fix] Release overlay groups on flush.
This fixes a huge memory leak.
[bluray] Improve still frame handling.
Revert "[dvdplayer] Allow UpdateCorrection to handle audio and video jumping asynchronously"

This reverts commit 3aca282858cb6795502d2d3521f5b968123dd3df.
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