Bump Avalonia from 0.9.0 to 0.9.12 in /code

[dependabot-preview]

Bumps Avalonia from 0.9.0 to 0.9.12.

Release notes

Sourced from Avalonia's releases.

0.9.12 Service Release

• Deterministic Xaml Compilation
• X11 screens api compatible with old distributions
• Prevent tooltips getting stuck on the screen.
• Gtk based file dialogs auto append file extensions.

0.9.11 Service Release

• support .axaml extensions, workaround for visual studio issues.
• remove support for rendering layers. Allows animating opacity.
• DnD drop file support for OSX.
• Designer exceptions more useful.
• Fix some segfaults on osx platform.

0.9.10 Service Release

• Managed file dialogs can select both folders and files.

0.9.9 Service Release

• Fix ability to target all .netcore versions since 2.0

0.9.8 Service Release

[X11] Added support for Astra Linux Fixed Modal Dialogs, can no longer click in mainwindow when the dialogs are shown. Fixed GTK file dialogs initial filename. Fixed popup and window sizing (race condition) Rendering stops when window minimized Added support for Immediate Rendering.

[General] XAML compiler can cope with "," inside selectors. Multibinding fixed. Fixed issue where Black areas are shown when Window Manager gives a window smaller than Apps min size. Fixed issues with Layout causing infinity measure passes. Fixed Context Menu causing memory leaks. ReactiveUI initialised before AfterSetup called.

0.9.7 Service Release

• Remove fix that broke SizeToContent.

0.9.6 Service Release

• OSX WindowState is updated when Cocoa initiates a change that would cause WindowState to change.

0.9.5 Service Release

• Binding to WindowState on OSX and Linux will now open windows with the correct state. Previously only worked on Windows.

• TreeViewItems take the full width of the treeview, so context menus can be activated via the entire row.

0.9.4 Service Release

• Fix WeakEventManager (causing memory and slow performance after long running app)
• Disabled controls dont get selected with keyboard controls.

Commits

• 7baa95a bump version.
• d879048 backport to 0.9 xamlil deterministic builds.
• 0cc50d6 [X11] Auto-append file extension for GTK-based file dialogs
• 0a7d61b Merge pull request #4296 from AvaloniaUI/fixes/tooltip-must-close-when-detach...
• 72ed465 Fix X11 screens implementation for some old/weird setups
• df6b65c Merge pull request #4164 from AvaloniaUI/fixes/2244-disable-layers
• 0bbf0cf Merge pull request #4170 from AvaloniaUI/axaml-support-0.9
• 09422ce Added .axaml support and MSBuild metadata
• fe02e56 Updated numerge
• d999ced backport null checks for issue 4005
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #97.