Just hit Ctrl-Shift-V.  This cycles through the last few things that were in your clipboard.

If it was on your clipboard before you slipped, it'll be the 2nd thing to show up.

So you've not lost anything.  I also use the 'copy whole line' functionality you get by hitting Ctrl-C with no selection all the time.  So these two features in combination are a whole lot better, IMO, than the downgrade you are proposing here.