Stop using Vector::unsafeAppendWithoutCapacityCheck() in WasmBBQJIT.cpp.
Pull request: https://github.com/WebKit/WebKit/pull/20350
Committed 270622@main (41848d931422): <https://commits.webkit.org/270622@main> Reviewed commits have been landed. Closing PR #20350 and removing active labels.
<rdar://problem/118312072>