v4.2
Code Quality: Updated headers
Feature: Added Tree View sidebar (#18537)
Code Quality: Removed ISidebarViewModel (#17972)
Feature: Moved Settings button to the Sidebar (#16911)
Code Quality: Prevent double-tap toggle for group headers (#18624)
Feature: Replaced Settings Dialog with page (#18410)
Fix: Fixed issue where drag & hover didn't work with sidebar (#18609)
Code Quality: Use Surface stroke brush for sidebar pane border