Make the remember audio/subtitle delay per anime

[perokhe]

Describe your suggested feature

Currently the remember audio/subtitle delay is global. So when watching multiple anime I still have to keep changing the delay.
It would be better if the delay was per anime instead of global.

Other details

No response

Acknowledgements

• I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open or closed issue.
• I have written a short but informative title.
• If this is an issue with an official extension, I should be opening an issue in the extensions repository.
• I have updated the app to version 0.15.3.0.
• I will fill out all of the requested information in this form.