How to use GitHub

• Please use the 👍 reaction to show that you are interested into the same feature.
• Please don't comment if you have no relevant information to add. It's just extra noise for everyone subscribed to this issue.
• Subscribe to receive notifications on status change and new comments.

Is your feature request related to a problem? Please describe.
fileActions cannot be grouped by parent in the multiple files action bar.

That's, when you create lots of fileActions, you can group them under a single parent in the file action menu. But, this doesn't work in the multiple files action bar:

Describe the solution you'd like
Handle the parent property in the multiple files action bar too

https://nextcloud-libraries.github.io/nextcloud-files/classes/FileAction.html#parent

Describe alternatives you've considered
None

Additional context
Here's an example with an app registering lots of fileActions:

Here's the single file menu, you can see it's much better organized: