refactor: show the code intel status indicator via Sourcegraph extensions
Created by: chrismwendt
See https://github.com/sourcegraph/sourcegraph-langserver-http/pull/7
Before
After
Fixes https://github.com/sourcegraph/sourcegraph/issues/236 Fixes https://github.com/sourcegraph/enterprise/issues/13632
This PR does not need to update the CHANGELOG because this doesn't change the UX much