docs: Fix "copy" being used instead of "paste" in vim mode documentation (#23010)

It seems the original author intended to write either "`ctrl+c` to copy"
or "`ctrl+v` to paste". Updated to be "`ctrl+v` to paste".

Release Notes:

- N/A

Co-authored-by: Michael Sloan <michael@zed.dev>
6bc89eb4b1Tyler Albee committed on 1/11/2025, 9:45:41 PM· committed by GitHubparentbda0c67
1 file changedLine totals unavailable