Playlists: don't respect audio playlist mode

Playlists can have both video and audio, because of this the setting
should not be taken into account

application/vlc-android/src/org/videolan/vlc/gui/HeaderMediaListActivity.kt

@@ -342,7 +342,7 @@ open class HeaderMediaListActivity : AudioPlayerContainerActivity(), IEventsHand
             invalidateActionMode()
         } else {
             if (searchView.visibility == View.VISIBLE) UiTools.setKeyboardVisibility(v, false)
-            if (Settings.getInstance(this).getBoolean(FORCE_PLAY_ALL_AUDIO, false))
+            if (isPlaylist || Settings.getInstance(this).getBoolean(FORCE_PLAY_ALL_AUDIO, false))
                 MediaUtils.playTracks(this, viewModel.tracksProvider, position)
             else
                 MediaUtils.openMedia(this, item as MediaWrapper)