WebKit::ensureDirectoryExists should use directory path, not absoluteString.
<rdar://problem/119260759>
Pull request: https://github.com/WebKit/WebKit/pull/21394
Committed 271615@main (199f68082e5b): <https://commits.webkit.org/271615@main> Reviewed commits have been landed. Closing PR #21394 and removing active labels.