_WKHitTestResult should expose an imageMIMEType property
rdar://119402116
Pull request: https://github.com/WebKit/WebKit/pull/21519
That's the old PR, please ignore.
Pull request: https://github.com/WebKit/WebKit/pull/21540
Committed 271811@main (1d069004131d): <https://commits.webkit.org/271811@main> Reviewed commits have been landed. Closing PR #21540 and removing active labels.