TokenizingTextBox crashes in PublishAOT

まだ誰も着手していません。

### Describe the bug

```
Cannot create instance of type 'CommunityToolkit.WinUI.Controls.TokenizingTextBox' [Line: 16 Position: 10]

at WinRT.ExceptionHelpers.g__Throw|38_0(Int32) + 0x67
at WinRT.ExceptionHelpers.ThrowExceptionForHR(Int32) + 0x1c
at ABI.Microsoft.UI.Xaml.IApplicationStaticsMethods.LoadComponent(IObjectReference, Object, Uri, ComponentResourceLocation) + 0x215
at Microsoft.UI.Xaml.Application.LoadComponent(Object, Uri, ComponentResourceLocation) + 0x3b
at AOTTest.MainWindow.InitializeComponent() + 0x70
```

### Steps to reproduce

```text
Just add `TokenizingTextBox` into a xaml of AOT project
```

### Expected behavior

not crash

### Screenshots

_No response_

### Code Platform

- [ ] UWP
- [X] WinAppSDK / WinUI 3
- [ ] Web Assembly (WASM)
- [ ] Android
- [ ] iOS
- [ ] MacOS
- [ ] Linux / GTK

### Windows Build Number

- [ ] Windows 10 1809 (Build 17763)
- [ ] Windows 10 1903 (Build 18362)
- [ ] Windows 10 1909 (Build 18363)
- [ ] Windows 10 2004 (Build 19041)
- [ ] Windows 10 20H2 (Build 19042)
- [ ] Windows 10 21H1 (Build 19043)
- [ ] Windows 10 21H2 (Build 19044)
- [ ] Windows 10 22H2 (Build 19045)
- [X] Windows 11 21H2 (Build 22000)
- [ ] Other (specify)

### Other Windows Build number

_No response_

### App minimum and target SDK version

- [ ] Windows 10, version 1809 (Build 17763)
- [ ] Windows 10, version 1903 (Build 18362)
- [ ] Windows 10, version 1909 (Build 18363)
- [X] Windows 10, version 2004 (Build 19041)
- [ ] Windows 10, version 2104 (Build 20348)
- [ ] Windows 11, version 22H2 (Build 22000)
- [ ] Other (specify)

### Other SDK version

_No response_

### Visual Studio Version

_No response_

### Visual Studio Build Number

_No response_

### Device form factor

_No response_

### Additional context

_No response_

### Help us help you

Yes, but only if others can assist.

まず、XAML に TokenizingTextBox を含む WinAppSDK/WinUI 3 PublishAOT プロジェクトでクラッシュを再現します。TokenizingTextBox のアクティベーションパスを調査し、報告された例外なしで同じ XAML を PublishAOT で正常に読み込めることを確認して結果を検証します。

索引モデルが issue の本文から書いたものです。