Stream IPC calls into kernel while sending destination ID The server never needs to process set destination id message in isolation.
<rdar://problem/118509053>
Pull request: https://github.com/WebKit/WebKit/pull/20607
Committed 270885@main (5223cb2bb65a): <https://commits.webkit.org/270885@main> Reviewed commits have been landed. Closing PR #20607 and removing active labels.