## Summary
Updates to unified field list on typing are debounced - this way we
don't get so many updates when typing in the search input.
Flaky test runner:
https://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/6424
## Performance comparison
Test: typing the string: activem for metricbeat data (~6000 fields)
before (costly update on every keystroke):
<img width="669" alt="Screenshot 2024-06-28 at 17 28 38"
src="7075f7bc-2d90-4177-acac-69ac101b2ef1">
after (only one costly update when user stops typing):
<img width="269" alt="Screenshot 2024-06-28 at 17 24 43"
src="8c0ce4a3-7c1a-428b-a482-f6b4d87911e0">