Invoke codeql pack install after adding a quick query

[aeisenberg]

This ensures the pack lock file is in place after the quick query is generated.

Fixes a bug where quick queries cannot be compiled if the core libraries are not in the workspace.

Checklist

• CHANGELOG.md has been updated to incorporate all user visible changes made by this pull request.
• Issues have been created for any UI or other user-facing changes made by this pull request.
• [Maintainers only] If this pull request makes user-facing changes that require documentation changes, open a corresponding docs pull request in the github/codeql repo and add the ready-for-doc-review label there.