<!-- Please search existing issues to avoid creating duplicates. --> <!-- Use Help > Report Issue to prefill these. --> - Extension version: 0.6.1 (on branch, commit 7e992d982e1ba0b3b656358d38f5d467796089c3 -- try repro-ing on master later) - VSCode Version: Version 1.35.0-insider - OS: MacOS High Sierra <img width="964" alt="_Extension_Development_Host__-_src_github_credentials_ts_—_Untitled__Workspace_" src="https://user-images.githubusercontent.com/7910250/58840813-00ac2a00-861c-11e9-912f-d805b039659b.png"> Clicking "Add Comment" does nothing
