typing mode status bar item doesn't get updated as pyrightconfig/pyproject file get updated.

[heejaechang]

Environment data

• Pylance version: 2024.9.102

Code Snippet

{
    "typeCheckingMode": "off"
}

Repro Steps

1. open a folder with pyrightconfig.json with the content above
2. check python status bar item
3. 
4. flip typeCheckingMode between off to basic manually in pyrightconfig.json file and save it.
5. check the type checking mode in the status bar and make sure it reflects changes correctly

Expected behavior

status bar item updated as pyrightconfig.json file changes as it does for setting.json

Actual behavior

it only get updated if windows is reloaded. especially since, unlike settings.json case, it opens pyrightconfig.json and ask users to manually change type checking mode and then changes doesn't get reflected.