The media source instance should be detached before destroying MSE private player. Otherwise, it can create a crash under some circumstances that can only properly be reproduced in downstream ports with specific devices.
Pull request: https://github.com/WebKit/WebKit/pull/2116
<rdar://problem/96946002>
Committed 253591@main (02759542825a): <https://commits.webkit.org/253591@main> Reviewed commits have been landed. Closing PR #2116 and removing active labels.