TV reverts back to previous channel after stopping manual record from fullscreen

h4. Steps to Reproduce
1. Go to MyTv, check that timeshifting is enabled.
2. Enter Fullscreen, and change channel
3. Press R to start recording, wait a few seconds...
4. Press Esc to return to preview and press stop recording

MP now stops recording but at the same time change channel
back to the one that was running when entering MyTV.