Microsoft PowerToys 0.58.0

What's new in this version:

- Most of the work for running natively on ARM64 has been included in the repo
- Uses of the obsolete WebBrowser control were replaced with WebView 2
- All uses of .NET Core 3.1 were removed. PowerToys now runs on .NET 6
- Settings no longer runs on XAML Islands and is now running on WinUI 3, fixing many bugs related to XAML islands

General:
- Spell checking fixes in the code
- Fix for a CI error related to spell checking due to a GitHub API change
- Fixed the documentation references to GitHub

ARM64:
- Prepare solution and property files for ARM64 port
- Port unhandled exception handler to ARM64
- Port of the Settings projects to ARM64
- Port of most of the PowerToys to ARM64
- Port of the debug utilities to ARM64

Always on Top:
- Fix for topmost state of the window resetting for some applications. (This was a hotfix for 0.57)

ColorPicker:
- The CIEXYZ format is now properly show in upper case

FancyZones:
- Restore rounded corners on Windows 11 and add a setting to control this behavior. (This was a hotfix for 0.57)
- Fixed an edge case where the Windows Terminal window wouldn't be snapped when opened. (This was a hotfix for 0.57)
- Improved narrator support in the Grid Editor. (This was a hotfix for 0.57)
- Fixed a bug when restoring rounded corners on Windows 11. (This was a hotfix for 0.57)
- Fix for windows not being resized correctly on different dpi settings. (This was a hotfix for 0.57)
- Removed resolution from the screen identifier so zones aren't reset when resolution changes
- Scale the canvas layout when editing according to new scaling/resolution
- Shipping a new tool to help debug windows interactions with FancyZones

File explorer:
- Fix for a crash in dev file preview if the settings file hadn't been created yet. (This was a hotfix for 0.57)
- New file types were added to dev file preview (".reg", ".xslt", ".xsd", ".wsdl", ".ino", ".pde", ".razor")
- Fix an existing "file still in use" issue in dev file preview
- Dev file preview is now able to interpret file extensions in a case-insensitive way
- SVG and markdown viewers no longer use WebBrowser and use WebView2 instead
- Markdown preview now respects the dark mode settings on Windows

Mouse utility:
- Fix for the bug causing shortcuts set on icons to not activate when a mouse utility was active on specific monitor configurations

PowerToys Run:
- Fix for PowerToys Run using high CPU and memory when updating its settings. (This was a hotfix for 0.57)
- Add the "Run as different user" feature to the Program, Shell, and Search plugins (This was a hotfix for 0.57)
- Fix for a WindowWalker crash when a Virtual Desktop registry key is not set (This was a hotfix for 0.57)
- Fix for VS Code Workspaces not using the user's path variable right after an install or update. Thanks @ricardosantos9521! (This was a hotfix for 0.57)
- Fix for the System plugin causing PowerToys Run to be slow when many network interfaces exist (This was a hotfix for 0.57)
- Fix for the Program plugin not showing special shortcuts with empty targets, like Control Panel. (This was a hotfix for 0.57)
- Additional logging for the Terminal plugin (This was a hotfix for 0.57)
- Web Search and URI plugins have better code for detecting the default browser now
- Fix for the Services plugin not manipulating service names with spaces correctly
- Fix for the Terminal plugin not recognizing profiles correctly
- Fix for latest VSCode insiders build not showing up in the VSCode Workspaces plugin
- Increased floating number precision in the Unit Converter plugin
- VSCode Workspaces now finds portable installations of VS Code
- Fixed an issue starting PowerToys Run when the desktop is not initialized

Settings:
- Settings now runs on WinUI3 instead of XAML islands
- Settings no longer runs as an administrator when runner is started as an administrator

Runner:
- Use sensible default times for rechecking for an update, to avoid writing to the logs in a loop. (This was a hotfix for 0.57)
- Runner cleans up the update directory if the installation is up to date

Installer:
- Distribute a signed .msi inside the .exe installer bootstrapper. (This was a hotfix for 0.57)
- Removed the .NET core dependency from the installer
- Partial support for an ARM64 installer
- Updated the .NET to 6.0.4
- Force update all files on reinstall/update, to try and fix installation issues

Development:
- PowerToys no longer takes a dependency on .NET core
- WinUI3 is a new dependency. Settings now targets win10-x64 and win10-arm64 due to this