Merge branch '145-radio-delete-last-track' into 'develop'

Resolve "Unexpected behavior with radios"

Closes #145

See merge request funkwhale/funkwhale!159

changes/changelog.d/145.bugfix

+Radio will now append new track if you delete the last track in queue (#145)

front/src/store/queue.js

@@ -100,6 +100,9 @@ export default {
         // we play next track, which now have the same index
         dispatch('currentIndex', index)
       }
+      if (state.currentIndex + 1 === state.tracks.length) {
+        dispatch('radios/populateQueue', null, {root: true})
+      }
     },
 
     resume ({state, dispatch, rootState}) {