Fix browser extension after-install page
Created by: erzhtor
The browser extension after-install page was broken in https://github.com/sourcegraph/sourcegraph/pull/28837, and doesn't render on actually extension installation.
Created by: erzhtor
The browser extension after-install page was broken in https://github.com/sourcegraph/sourcegraph/pull/28837, and doesn't render on actually extension installation.