[Find Finds] Fix infinite spinner for terms that do not return search results

[randimays]

Description

When searching for terms that do not return search results, we get an infinite loading spinner because the fetching value in data storage is never set to false.

Examples:
https://www.va.gov/find-forms/?q=sfdkjfksdf
https://www.va.gov/find-forms/?q=dd214

User story

Describe the audience/user, enhancement or fix, and value / outcome desired.

AS A
I WANT
SO THAT

Acceptance criteria

• When a term with no search results is entered, the loading spinner should resolve once the service call completes and show the "No results found" error messaging