Images do not show in Microsoft Word Online since the data URL decoding change in 262976@main.
<rdar://114573089>
Pull request: https://github.com/WebKit/WebKit/pull/17744
Committed 267969@main (599c092f0fc9): <https://commits.webkit.org/267969@main> Reviewed commits have been landed. Closing PR #17744 and removing active labels.