Change the Trending menu command to be completely hidden when the feature flag is disabled, rather than just being disabled and still visible in the UI.
Introduces a feature flag to disable the Trending section across the app. When disabled, all trending-related UI elements, navigation links, and settings are hidden.
Changes:
- Add trendingEnabled feature flag to FeatureFlags.swift (currently disabled)
- Hide Trending tab in AppTabNavigation, Sidebar, and TVNavigationView
- Remove Trending option from visible sections settings
- Remove Trending option from startup section picker
- Disable Trending menu command and keyboard shortcut
- Prevent Trending URL navigation in OpenURLHandler
- Hide Trending in FavoriteItemView navigation
- player is now a separate window on macOS
- add setting to disable pause when player is closed (fixes#40)
- add PiP settings:
* Close PiP when starting playing other video
* Close PiP when player is opened
* Close PiP and open player when application
enters foreground (iOS/tvOS) (fixes#37)
- new player placeholder when in PiP, context menu with exit option
