Changing active project in one window changes it in both

### What Happened?

Attempting to work with different active projects in two windows was not possible since they are synchronized via settings.

### Steps to Reproduce

Open two windows
Change the active project in one window
Observe it changes in the other

### Expected Behavior

It should be possible to work with two different active projects in different windows

### OS Version

8.x (Circe)

### OS Architecture

amd64 (on most hardwares)

### Session Type

Secure Session (Wayland)

### Software Version

Latest release (I have run all updates)

### Log Output

```shell

```

### Hardware Info

_No response_

未指定文件、测试或入口点。打开两个窗口，并在其中一个窗口中更改活动项目以重现该问题；跟踪窗口之间的设置同步，并在每个窗口都能保留不同的活动项目时视为工作完成。

由索引模型根据 Issue 内容生成。