Winui3 typography guidance and Wpf.Ui.Gallery improvements

[IvanDmitriev1]

Started using Winui3 typography guidance for TextBlock.

Added TextBlock typography styles.
Added custom TextBlock with FontTypography property and Appearance property.
Added a Typography page in Wpf.Ui.Gallery.
Implemented IsTextSelectionEnabled in TextBox and RichTextBox.
Added DynamicScrollViewer to the NavigationViewContentPresenter by default.
Fixed TextBox icons position

Pull request type

• Update
• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes

[IvanDmitriev1]

@pomianowski By the way CardAction does not know how to decrease.
This is a problem with VirtualizingWrapPanel.

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[cla-bot]

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[IvanDmitriev1]

@pomianowski what does it mean ?

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Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have the users @IvanDmitriev1 on file. In order for us to review and merge your code, please contact the project maintainers to get yourself added.

[cla-bot]

Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have the users @IvanDmitriev1 on file. In order for us to review and merge your code, please contact the project maintainers to get yourself added.

[IvanDmitriev1]

@pomianowski Hi, review this pull request please.

[cla-bot]

Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have the users @IvanDmitriev1 on file. In order for us to review and merge your code, please contact the project maintainers to get yourself added.

[cla-bot]

Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have the users @IvanDmitriev1 on file. In order for us to review and merge your code, please contact the project maintainers to get yourself added.

[pomianowski]

Hey @IvanDmitriev1, thanks for more ideas and improvements in WPF UI. Some controls like Snackbar need improvement, but we can fine-tune it in the development branch.