Implement new function to get branches eligible for fast-forwarding
Implement new function to get branches eligible for fast-forwarding

Co-Authored-By: Markus Olsson <99dba8e0da81c0ae3af34e285b9ac339080c1e8e@users.noreply.github.com>

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