Default skip intro length setup issue

[fakebhai]

Steps to reproduce

open aniyomi go to more - settings - player - default skip intro length
set it to any number it'll show -1 of actual preference number

Screenrecording_20240416_235551.mp4

Expected behavior

85s should show/set 85s
86s should show/set 86s and so on

Actual behavior

85s shows/sets 84s
86s shows/sets 85s

Crash logs

No response

Aniyomi version

r7519

Android version

Android 12

Device

Iqoo 3 5G

Other details

it also causes some other issues like if you long press on +85 inside the player it becomes 86 without touching it, not sure if it's completely relevant or not.

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.
• If this is an issue with an official manga extension and this issue can be replicated in the Tachiyomi app, that I should be opening an issue in Tachiyomi's extensions repository.
• I have gone through the FAQ and troubleshooting guide.
• I have updated the app to version 0.15.2.4.
• I have updated all installed extensions.
• I will fill out all of the requested information in this form.

[SoniKarsh]

FYI: Looking into this issue.