vim: Fix add empty line (#30987)

Fixes: 

`] space` does not consume counts, and it gets applied to the next
action.

`] space` on an empty line causes cursor to move to the next line.

Release Notes:

- N/A
a6544c70c55brian committed on 6/2/2025, 3:49:31 PM· committed by GitHubparentb363e1a
3 files changedLine totals unavailable