fish: patch command line cycling repaint on tab completion

On tab completing for example 'cd somedir' when multiple options are available, the repaint command isn't issued.

The fix for this was released a few commits *after* the 2.0.0 release

https://github.com/fish-shell/fish-shell/issues/765
https://github.com/fish-shell/fish-shell/commit/f8786c25be7d52283ae2e223861956bd1d926d60