Only run prettier once
Only run prettier once

This cuts down the time taken on my machine from 14+ seconds to ~9

j-f1/forked-desktop,desktop/desktop,say25/desktop,hjobrien/desktop,desktop/desktop,hjobrien/desktop,shiftkey/desktop,j-f1/forked-desktop,artivilla/desktop,shiftkey/desktop,desktop/desktop,shiftkey/desktop,say25/desktop,desktop/desktop,say25/desktop,gengjiawen/desktop,kactus-io/kactus,kactus-io/kactus,hjobrien/desktop,hjobrien/desktop,gengjiawen/desktop,artivilla/desktop,kactus-io/kactus,j-f1/forked-desktop,gengjiawen/desktop,artivilla/desktop,gengjiawen/desktop,artivilla/desktop,say25/desktop,kactus-io/kactus,j-f1/forked-desktop,shiftkey/desktop