Replacing a m3u playlist creates a new playlist with the same name.

The following discussion from !1710 (merged) should be addressed:

• @Skantes started a discussion: (+1 comment)

  Replacing a playlist creates a new playlist with the same name.

  

  For context, the first playlist is based on an m3u file. And it seems every time the m3u playlist is replaced it creates a new one. Replacing the duplicated playlist works fine.