Show documentation not showing up in right click menu

[sandy081]

microsoft/vscode-eslint#932

Steps to repro:

• clone https://github.com/Microsoft/vscode-eslint.git
• checkout 88aaa9e
• chdir playgrounds/ts
• npm install
• open VS Code with eslint extension installed.
• open test.ts
• make sure problems view is not visible
• reload Window
• wait until ESLint errors show up in editor
• open problems view
• click on problem to see quick fixes. Observe: it doesn't work
• reload Window
• wait until problems show up in problems view.
• click on problem to see quick fixes: Observe: it does work

[jeanp413]

Created a PR #95653 that fixes this