Incorrect Name Showing on Replies After Performing a Search

[janraev]

Bug report form

Steps to reproduce

1. Go to a page where there are annotations and replies. Sample: https://web.hypothes.is/help/how-to-use-hypothesis-on-mobile-devices/
2. Perform a search that will yield an annotation with a reply. In this case search for 'brian'. It will show something similar to the image below

3. Click Show More in Conversation
4. Notice that the username who replied is mdiroberts and not brianmapes afterall.

Sample video

filter.issue.webm

Expected behaviour

The name that will show directly above the Show More button is the name of the user who replied. In case of multiple users, it should indicate that multiple users have replied.

Actual behaviour

Tell us what happens instead.
The name showing directly above the Show More button is the name of the user whose annotation is being replied to.