ui changes and bugfixes on some edge cases

fixed permissions

-Improved video detection logic to prioritize the active video renderer for greater reliability.
-Refined the autoscroll trigger mechanism by adding a watchdog timer to ensure seamless transitions between videos even if standard events are missed.
-Enhanced comment section detection to reliably pause autoscrolling while comments are open and resume automatically once they are closed.
-Updated selectors to maintain compatibility with the latest YouTube Shorts web components and layout changes.

-Removed the delay when scrolling for better user experience.
-Fixed a bug where autoscroll state would persist after closing shorts and display the wrong state on ui..