[Windows] End animation not playing TabBar

### Description

https://github.com/user-attachments/assets/2939c74a-e209-42f5-a628-3daa534e5fd7

As you can see the end animation of the TabBar doesn't play on Windows like it should be.

https://github.com/user-attachments/assets/99d329ee-25bc-4440-85e8-ca5b244edc36

### Steps to Reproduce

1. Create a .NET MAUI app
2. Add a TabBar with at least 2 tabs in the `AppShell`
3. Run the app on Windows

Expected outcome: The start and end animation is being played
Actual outcome: only the start animation is being played

### Link to public reproduction project repository

_No response_

### Version with bug

10.0.101

### Is this a regression from previous behavior?

Yes, this used to work in .NET MAUI, No, this is something new

### Last version that worked well

Unknown/Other

### Affected platforms

Windows

### Affected platform versions

Windows SDK 10.0.19041.0

### Did you find any workaround?

_No response_

### Relevant log output

```shell

```

Start by reproducing the issue in a .NET MAUI app with a TabBar containing at least two tabs in AppShell, running on Windows SDK 10.0.19041.0. Trace the Windows TabBar implementation and its navigation animation handling; done means both the start and end animations play when switching tabs, with coverage for the reported regression.

Written by the indexing model from the issue text.