OS: Win 10
Build Version: 20210902.1
Regression: Not a regression

Repro Steps:

1. Create one resource group -> Right click it and select "Edit Tags..." -> There is an error in the "Problems" windows and the opened .jsonc file.
2. Click on the "Output" window.
3. Check whether the error still exists in the "Problems" windows and the opened .jsonc file.

Expect:
The error still exists in the "Problems" windows and the opened .jsonc file

Actual:
The error disappears from the "Problems" windows and the opened .jsonc file.

More Info:

1. This issue does not reproduce when clicking on other windows, such as Terminal/Debug Console.
2. This issue does not reproduce if the cursor focus on the opened .jsonc file again.
3. This issue also reproduces on the previous released resource group extension.