YT2026: Clean YouTube App Interface

Adds quick "Not interested" icon button directly on YouTube video cards. The "Don't recommend channel" button is hidden by default; set SHOW_DONT_RECOMMEND to true in the code to enable it. Share feedback/suggestions/edits with me on Tweeks Discord (Reaver)

Adds YouTube header navigation/PiP buttons and lets Alt+P toggle Picture-in-Picture on watch pages

Removes YouTube Shorts, promotional feed modules, community/survey clutter, paid-content overlays, and unwanted sidebar entries while providing an Alt+M/menu toggle to temporarily restore the default sidebar.

Hides suggested videos in theater/mobile mode, removes YouTube notification toasts, adds compact header focus controls that stay synced to the current video, can turn the default-view suggested-video sidebar into independently scrolling taller full-thumbnail overlays with bottom-aligned metadata, scale-down actual thumbnails, extra details such as channel and video metadata, keeps the right watch sidebar at 91% of its current computed width while nudging YouTube's player/video element to stay ma