Steps to reproduce problem:
1. Open a private window
2. Open the search sidebar
3. Perform a search
Expected results: search results open in private window
Actual results: search results open in a normal window
Created attachment 753903 [details] [diff] [review]
This seemed to be the simplest way to ensure that there are no other related footguns.
Pushed comm-central changeset da20e53a7321.
Comment on attachment 753903 [details] [diff] [review]
[Approval Request Comment]
User impact if declined: Privacy leak
Risk to taking this patch (and alternatives if risky): Very low, but user can use one of the alternative search methods instead.
String changes made by this patch: None