TokenizingTextBox will Reposition the Tokens after a Token Having Same Content With Other Tokens Deleted

### Describe the bug

Like what the title said. Plus, the repositon dosen't order tokens by charaters. And the tokens not in TokenizingSample won't reproduce this bug.

### Steps to reproduce

```text
The bug can be reproduced in Windows Community Tookit Gallery.
1. Create tokens like Pic 1
2. Delete the tokens one by one from the last one by clicking the close button.
P.S.:Tokens not in TokenizingSample won't reproduce this bug.
```

### Expected behavior

The token will be deleted and the other tokens won't be repositioned.

### Screenshots


Pic 1

### Code Platform

- [X] UWP
- [ ] 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)
- [ ] Windows 11 21H2 (Build 22000)
- [X] Other (specify)

### Other Windows Build number

Windows 11 23H2 (Build 22635.3139)

### App minimum and target SDK version

- [ ] Windows 10, version 1809 (Build 17763)
- [ ] Windows 10, version 1903 (Build 18362)
- [ ] Windows 10, version 1909 (Build 18363)
- [ ] 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

No, I'm unable to contribute a solution.

Beginne damit, die Löschsequenz in der Windows Community Toolkit Gallery nachzustellen, mit Fokus auf TokenizingTextBox und die TokenizingSample-Tokens mit doppeltem Inhalt. Vergleiche das Löschen des letzten Tokens mit der gemeldeten Neupositionierung und Änderung der Zeichenreihenfolge; abgeschlossen ist dies, wenn das ausgewählte Token gelöscht wird, während die verbleibenden Tokens ihre bestehende Reihenfolge und Position beibehalten.

Vom Indexierungsmodell aus dem Issue-Text verfasst.