Don't allow creation of empty release edits
Don't allow creation of empty release edits

Bug introduced in 1c3769e0bac96979cc1aba0a80081b69a8470528

morkt/vndb,erengy/vndb,erengy/vndb,christian-roggia/vndb,morkt/vndb,erengy/vndb,morkt/vndb,morkt/vndb,morkt/vndb,christian-roggia/vndb,christian-roggia/vndb