1. As a user with the deleterevision right (e.g. sysop group), view history of a page with 2 or more edits. https://www.mediawiki.org/w/index.php?title=Project:Sandbox&action=history
2. Tick checkbox of a revision, and press "Change visibility of selected revisions"
3. On the action=revisiondelete form, tick at least one checkbox (e.g. "Edit's username")
4. Submit form

Expected:
You're still on the revision delete page and see a "Hiding succeeded" message on top.

Actual:
You're effectively no longer on the revision delete page. Instead, VisualEditor starts to load, fetches the page and initialises an editor session.

This is most likely due to being on /w/index.php?title=Special:RevisionDelete&action=submit, which VisualEditor might see as the edit page.