Trailers from a cherry-picked commit should not be included as trailers to current commit. In general, this is a problem because WebKit permits trailers to include whitespace where as `git` does not. WebKit should not respect trailers which _begin_ with whitespace, though.
<rdar://problem/108143386>
Pull request: https://github.com/WebKit/WebKit/pull/12808
Committed 263027@main (3338c3aac8ff): <https://commits.webkit.org/263027@main> Reviewed commits have been landed. Closing PR #12808 and removing active labels.