Re-adding a torrent doesn't correctly activate the Play button

[johnyny]

1) Complete downloading a torrent

2) Notice how the Stream button changes to the Play button

3) Right-click on the torrent, Remove And -> Delete .torrent

4) Re-add the torrent

5) Notice the Stream button visible in the Playback column

6) Start the torrent

7) While the hash check is taking place, notice there's no button in the Playback column

8) When the hash check completes, notice the Stream button appears insted of the Play button

Discovered on 3.1 Alpha (25671) 32 bit