Menu editor: "delete" button is unclear and destructive

[Lurux]

• Cinnamon version: 4.8.6 (No PPA)
• Distribution: Linux Mint 20.1
• Graphics hardware: Nvidia GM204 [GeForce GTX 970]
• Graphics driver: Nvidia v460.80
• Attach ~/.xsession-errors

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Context

Trying to move a badly placed application from one category to another

Issue

When a single desktop file points to several categories, clicking the "delete" button in one of the categories removes it from all categories, with no option to recover other than restoring the default configuration.

This does not affect applications that got duplicated into multiple desktop files (see #10140)

Steps to reproduce

Cut and paste an application into a new category. Notice how the application still appears in the previous category (see related issue). Now delete it from one of the categories, and try to recover it.

Expected behavior

• The "delete" button should only delete the entry from the selected category, or even just uncheck it from there

• When an application has been removed from all categories, there should still be a way for the user to recover it somewhere

Additional info

Originally found while trying to move the "Freetube" Flatpak app from the "accessories" to the "internet" category.

[github-actions]

This issue has been automatically marked as stale because it has not had
any activity in over 2 years.

If this issue is still relevant:

• Please test on a current version of this package.
• Add a comment with your findings

If no activity occurs in the next 30 days, this issue will be
automatically closed. Issues can be reopened if needed.

[Lurux]

Delete option doesn't work on 22.3, which ig is an improvement. Would be nice to more easily be able to move applications between categories though. See also #10140

[JosephMcc]

No one else really seems to have an issue with this. No plans currently to change it.

[Lurux]

Probably because most people don't actually use the menu editor I reckon. Feel like it should either be disabled or set "for advanced users only" because it has many bugs and shortcomings

[fredcw]

There's an open PR to fix this linked above.