fish: patch command line cycling repaint on tab completion

On tab completing for example 'cd', 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