Fix dot-repeat for builtin motions when used with a command

[ghostbuster91]

Fixes #14

TODO:

• resolve todos
• fix dfs eating one char when there is no more s in the current line

[Hubro]

Hype hype 🕺 🎉

I disabled the nvim-next plugin today because unfortunately, I stumble over the lack of df and dt support more often than I repeat ]c ☹️

Awesome to see you're making progress!

[ghostbuster91]

This PR is incomplete because there are some unsolved edge-cases.

fyi: I reported the same issue to mini.nvim which has a similar logic in the jump module echasnovski/mini.nvim#688 and it has been fixed.

Now, it is just a matter of porting that fix into nvim-next. The fix itself is not trivial but porting it shouldn't be that hard.