Play Rates are not reverted when HAP Media Plugin is disabled

Enabling the HAP Media player plugin permanently affects the thinned Play Rates of the Media Player asset.

Tested in 4.23.1 (CL - 9631420), 4.24.0 (CL - 10091930), 4.25 (CL - 10091038)

1. Create a Blank project
2. Import an mp4
3. Create a Media Player and play the mp4 that with it
4. Look at the Thinned Play Rates in the Info tab
5. Enable the HAP Media plugin and restart
6. Replay the mp4 and observe the Play Rates once more
7. Disable the HAP Media plugin and replay

Expected: The thinned Play Rates would revert back to its original values
Result: The thinned Play Rates never reverts