ClearHistory: also clear playback resume

Resume playback snackbar is based on KEY_CURRENT_AUDIO/MEDIA not just KEY_AUDIO/MEDIA_LAST_PLAYLIST. Clearing history should remove all saved sharedPreference related to current playback.

added Needs backport label

approved this merge request

added 13 commits

• 12805f8e...e5726c1c - 11 commits from branch videolan:master
• 7ac09436 - SaveCurrentMedia: rm useless condition
• b01da1c9 - ClearHistory: also clear playback resume

Compare with previous version

enabled an automatic merge when the pipeline for b01da1c9 succeeds

merged