When using other modules, such as media entity file replace, which add their own custom submit handler, this module prevents those from working. It does this by completely clearing out the value of $form['actions']['submit']['#submit'] and then applying an ajax submit handler instead.
See this core issue ✨ Allow media items to be edited in a modal when using the field widget Postponed . It is aimed to resolve the same problem, and it may end up coming to Drupal core once they have worked through the various concerns identified with it.
The patch provided on that issue works, so if this module is not working for you then use that patch instead.
This module could be updated based on that latest patch in order to allow other submit handlers, such as the one in media entity file replace, to work properly.
Needs work
3.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Yes I agree there is no reason for this module to wipe out all the submit handlers just to be able to do it's thing. @prudloff's solution looks great. I don't think I would have thought of that.
@prudloff can you change the name of _media_library_edit_media_edit_save() since it no longer saves?
Looking for an RTBC and then can merge.