• Extension version: v0.48.0
• VSCode Version: v1.70.0
• OS: MacOS 12.4
• Github version: GHE 3.1

NOTE: Server is Github Enterprise 3.1
NOTE: This works with Pull Request v0.46.1, the issue started with v0.48.0

Steps to Reproduce:

1. From the 'Pull Requests' side panel expand the 'All Open' list
2. Expand any PR node, nothing is shown after expanding except for the PR that matches the branch you have checked out
3. Expand the PR matching the checked out branch
4. Only the description option is available, it doesn't show all the files from the PR
5. Click on the description to open it. It attempts to open the PR, in the main editor is shows 'Loading...'
6. The 'Github Pull Request' log contains: [Info] Review> Error: GraphQL error: Field 'viewerLatestReview' doesn't exist on type 'PullRequest'