I just find it crazy how sometimes there's a discussion about something then someone comes around like "hi, I'm the author of said 30 year old technology"
Probably too late now lol, but you can totally recover deleted files if you don't overwrite them. I recommend the System Rescue image, it has a lot of tools to deal with these things.
Tooltips show the full title of the tab, which is useful if the title is long, the tabs are small because there are a lot of them, or it's a pinned tab
Now do loss