Description of problem:

The search bar typeahead becomes too slow as the data in Postgres grows.

Version-Release number of selected component (if applicable): 2.7.7+

How reproducible: Always

Steps to Reproduce:

1. From the search-indexer project run `make test-scale-ui` to load mocked data for 50 managed clusters with 100k resources each.
2. Go to the Search console and type in the search bar.

Actual results:

Typeahead results take over 10 seconds to show.

Expected results:

Typeahead results show quickly.

Additional info:

There's 2 parts to this problem:

1. The postgres query is slow. (ACM-7830)
2. The UI can be optimized by caching the results of previous queries. (covered by this issue).

We are planning to use the GraphQL Apollo client cache feature with a cache policy of cache-and-network.
https://www.apollographql.com/docs/react/data/queries/#setting-a-fetch-policy