Emoji 'Search Result' h5 tag not removed when search form cleared.

When searching for Emoji, the search is triggered by a keyup action, but it doesn't remove previous instances of the 'Search Results' header:

mentioned in merge request !5578 (closed)

Added frontend ~12980 labels

@zeiv Nice find!

Closing as #22525 (closed) is tagged as a regression

Mentioned in merge request !6498 (merged)

Status changed to closed by merge request !6498 (merged)

Mentioned in commit d609605e

mentioned in merge request !14785