chore(deps): bump Microsoft.Toolkit.Mvvm from 7.0.0-preview2 to 7.0.0-preview4

[dependabot-preview[bot]]

Bumps Microsoft.Toolkit.Mvvm from 7.0.0-preview2 to 7.0.0-preview4.

Release notes

Sourced from Microsoft.Toolkit.Mvvm's releases.

v7.0.0-preview4

Packages available on NuGet

Changes:

Breaking Changes :boom::

• #3437: MarkdownTextBlock control is now in an independent package. We are working to split our Controls package into more easily consumable chunks for those apps that are worried about dependencies. For the final 7.0.0 release, we hope to have a bundled Microsoft.Toolkit.Uwp.UI.Controls package which will contain all sub-packages and provide a smooth upgrade experience. For now if you're using the MarkdownTextBlock and similar controls, you'll need to include the Microsoft.Toolkit.Uwp.UI.Controls.Markdown package separately.
• #3427: Converted GazeInteraction project from C++ to C#
• #3498: Optimizations/refactoring/tweaks to DispatcherQueueHelper
• #3206: Xaml Islands Fixes.
• #3440: [Discussion] Bump Minimum Version to 1809
• #3444: Deprecated 2D array extensions from Microsoft.Toolkit
• #3435: Removed Deprecated for 7.0
• #3529: Fixed ImageEx.CornerRadius property

Controls :control_knobs::

• #3379: Add ColorPickerButton
• #3363: [Feature] Add a Reimagined Color Picker
• #3471: Add FrameworkElement.VerticalAlignment and FrameworkElement.HorizontalAlignment support to WrapPanel
• #3466: Add vertical alignment support to WrapPanel
• #3528: ImageEx.CornerRadius property not working anymore

Improvements :sparkles::

• #3527: [Feature] Microsoft.Toolkit.Mvvm package (Preview 4)
• #3457: New Win32 toast notification helpers (no more shortcut needed!)
• #3510: Refactoring with .NET 5 Unsafe APIs
• #3509: Refactor pass with Unsafe.NullRef and Unsafe.IsNullRef
• #3490: Fixed thread safety for NetworkHelper.Instance
• #3197: NetworkHelper Singleton isn't thread safe
• #3550: Parameterless ThrowHelper APIs

Documentation :page_with_curl:: New Wiki!

• #3269: Update Contribution Guide
• #3531: Update Template Instructions

Helpers :raised_hand::

• #3455: Generic throw helper

Accessibility :wheelchair::

• #3544: RadialGauge UIA improvements
• #3537: RadialGauge sample does not load when opened while narrator open
• #3539: RadialGauge: Pressing arrow key crashes app while narrator is on

... (truncated)

Commits

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[dependabot-preview[bot]]

Superseded by #145.