Play/pause inconsistencies

[graue]

1. Be playing a track
2. Click Pause button
3. Click Next or Previous Track

Expected result: Stays paused, button says "Play"

Actual result: Begins playing track, yet button wrongly says "Play"

1. Be playing a track
2. Click Pause button
3. Click on a different track in the playlist

Expected result: Begins playing track, button says "Pause"

Actual result: Begins playing track, button says "Play"