Extension causes high cpu load

- Issue Type: `Performance`
- Extension Name: `vscode-dotnet-runtime`
- Extension Version: `3.1.0`
- OS Version: `Windows_NT x64 10.0.19045`
- VS Code version: `1.101.0`

:warning: Make sure to **attach** this file from your *home*-directory:
:warning:`file:///c%3A/Users/Haziqse/AppData/Local/Temp/ms-dotnettools.vscode-dotnet-runtime-unresponsive.cpuprofile.txt`

Find more details here: https://github.com/microsoft/vscode/wiki/Explain-extension-causes-high-cpu-load

Start with the VS Code high-CPU investigation guide linked in the report and attach the requested cpuprofile.txt file, which is currently missing. Use the extension version, VS Code version, and Windows environment as reproduction context; done should include identifying the cause and demonstrating that the high CPU load is resolved.

Written by the indexing model from the issue text.