Variable speed time saving is not calculated correctly

[MiSikora]

Description

Profile stats are not calculated correctly. When listening to an episode and using effects and skip feature the displayed stats do not align with the experience.

Step-by-step reproduction instructions

1. Start the app with a clean install.
2. Do not sign in, ensuring nothing gets synced.
3. Follow any podcast.
4. Play an episode of that podcast. Ensure the episode is not too short; something around 1 hour should be fine.
5. Change the playback effects to x5 speed and enable Mad Max trimming.
6. Tap the skip-forward button a few times until you reach the middle of the episode.
7. Let the episode play for a couple of minutes, ensuring it doesn't reach the end.
8. Pause the playback.
9. Close the app.
10. Reopen the app.
11. Check the profile stats. The time saved will not make sense — for example, while an episode might have been played for up to 30 minutes, the saved time due to Variable Speed might show something like 1 hour. In this scenario, the saved time from Variable Speed should not exceed the played up to timestamp.

Screenshots or screen recording

No response

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Device, Operating system, and Pocket Casts app version

Google Pixel 6, Android 14, Pocket Casts 7.77