and There is a button for you to confirm these changes, For example, if you delete 100 items, you only need to click the button once to make the changes,If using shortcut keys, there is no need to press the confirm button,Although the Unfavorite and favorite buttons are different colors, they are in the same position, and I'm afraid I might accidentally touch them

Typically if a topic is a feature request, you can grab more attention by having "[Feature Request]" in the title
Otherwise people might not know what the purpose of the topic is.

Something like: [Feature Request] Remember recent Unfavorites to Undo

That would probably be more clear for what you're trying to communicate