Fix escape helper in fish completion plugin
Fix escape helper in fish completion plugin

sampsyo/beets,beetbox/beets,ibmibmibm/beets,sampsyo/beets,beetbox/beets,shamangeorge/beets,beetbox/beets,shamangeorge/beets,shamangeorge/beets,ibmibmibm/beets,shamangeorge/beets,ibmibmibm/beets,sampsyo/beets,ibmibmibm/beets,beetbox/beets,sampsyo/beets