In order to transfer ownership of any decoded AcceleratedEffect after it was decoded in the remote layer tree transaction over to the thread on which we'll resolve animations, we need to clone any ref-counted object that would otherwise be marked as having been created on the main thread.
Pull request: https://github.com/WebKit/WebKit/pull/11227
Committed 261418@main (97485effe50c): <https://commits.webkit.org/261418@main> Reviewed commits have been landed. Closing PR #11227 and removing active labels.
<rdar://problem/106492092>