Currently, the copy of Package.appxmanifest in this repo is overwritten with a copy from an internal repo during release builds. This change adds the release version of Package.appxmanifest to this repo, to make it easier to maintain and keep it in sync with the copy used during development.
* Update to WinUI 2.6
Co-authored-by: Han Zhang <zhangh@microsoft.com>
Co-authored-by: Kenny Guo <kennyguo@microsoft.com>
**Description of the changes:**
1. Update to WinUI 2.6 styles and controls #1606.
2. Add Mica Material #1611.
3. Add Settings page #596.
4. Fix Ctrl+E shortcuts in AoT mode #1590.
**How changes were validated:**
Passed build, UT/UI test and manually tested.
* Fixed the display issue in AOT mode (#1615)
* Fixed the display issue in AOT mode
* Get the OpenPaneLength from the resource
* Fix CalendarView style in DateCalculation of dark mode (#1616)
* Fix a style problem of Date Calculator, and clean some unused codes
* Remove some unused codes
* Disable Mica before close the window to resolve a crash (#1619)
* Bump internal package build number (#1621)
