When checking if a commit is pickable, our current implementation stops at the first identity. This doesn't work well when we start cherry-picking cherry-picks. Instead, we should check all identity commits.
<rdar://problem/115912222>
Pull request: https://github.com/WebKit/WebKit/pull/18106
Committed 268340@main (4c8538afb2f3): <https://commits.webkit.org/268340@main> Reviewed commits have been landed. Closing PR #18106 and removing active labels.
Committed 265870.585@safari-7616-branch (2de3b2f30878): <https://commits.webkit.org/265870.585@safari-7616-branch> Reviewed commits have been landed. Closing PR #794 and removing active labels.
Committed 267815.98@safari-7617-branch (5803b1dcf449): <https://commits.webkit.org/267815.98@safari-7617-branch> Reviewed commits have been landed. Closing PR #795 and removing active labels.