Release v1.20.0.0

Implemented custom complete WPF UI.

You can use either stock dialogs:

project.ManagedUI = ManagedUI.DefaultWpf;

Or you can supply your own. This is the sample

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Changes:

• Added WPF stock dialogs for Custom UI (WixSharp.Ui.WPF assembly)
• Added test case for #1114
• Issue #1087: Intermittent error
• "WixSharp Project Templates" extension is ported to VS2022
• Issue #1096: Setting RegistrySearch Id causes infinite loop