feat(Gestures): Allow using some Gestures events in Xaml

[workgroupengineering]

What does the pull request do?

Allow using some Gestures events in Xaml

What is the current behavior?

If using Gesture in Xaml compiler throw AVLN: 0004: XamlX.XamlParseException: Unable to resolve suitable regular or attached property Pinch

<Window xmlns="https://github.com/avaloniaui"
     xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
     x:Class="Sandbox.MainWindow"
     Gestures.Pinch="Pinch">
    <Window.GestureRecognizers>
     <PinchGestureRecognizer/>
  </Window.GestureRecognizers>
</Window>

What is the updated/expected behavior with this PR?

Compile

How was the solution implemented (if it's not obvious)?

XamlC to identify that it is an attached event, looks for the presence of a method named Add<EventName>Handler example for the PinchEvent event AddPinchHandler

Checklist

• Added unit tests (if possible)?
• Added XML documentation to any related classes?
• Consider submitting a PR to https://github.com/AvaloniaUI/avalonia-docs with user documentation

Breaking changes

Obsoletions / Deprecations

Fixed issues

Fixes #13231

[workgroupengineering]

There are some event names that I think should be changed.
Example :
Gestures.PullGestureEvent will become Gestures.PullEvent

I will open an issue with the proposed changes.

Here there is a proposal of events rename.

[avaloniaui-team]

You can test this PR using the following package version. 11.0.999-cibuild0040790-beta. (feed url: https://nuget-feed-all.avaloniaui.net/v3/index.json) [PRBUILDID]