Fix test failures from query assistant

[paulstn]

Note: There is an unresolved issue where while query assistant is enabled, and a query is generated and run using query assistant, it'll use the 15 minute time constraint instead of the 40 years. However, this issue goes away when clicking on the run button again. Fix pending.

Description

[Describe what this change achieves]

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

Attention: 294 lines in your changes are missing coverage. Please review.

Comparison is base (6682b02) 52.92% compared to head (a231126) 53.06%.
Report is 97 commits behind head on main.

Files	Patch %	Lines
public/components/custom_panels/helpers/utils.tsx	13.51%	64 Missing ⚠️
public/components/common/search/search.tsx	40.20%	58 Missing ⚠️
...ts/event_analytics/explorer/query_assist/input.tsx	75.58%	20 Missing and 1 partial ⚠️
public/components/event_analytics/utils/utils.tsx	5.00%	19 Missing ⚠️
public/components/common/search/query_area.tsx	0.00%	17 Missing ⚠️
...mponents/event_analytics/hooks/use_fetch_events.ts	5.88%	16 Missing ⚠️
public/components/metrics/sidebar/sidebar.tsx	55.55%	16 Missing ⚠️
...vent_analytics/explorer/events_views/data_grid.tsx	40.00%	15 Missing ⚠️
...nents/common/search/query_assist_summarization.tsx	0.00%	10 Missing ⚠️
...c/components/metrics/redux/slices/metrics_slice.ts	68.00%	8 Missing ⚠️
... and 20 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1360      +/-   ##
==========================================
+ Coverage   52.92%   53.06%   +0.14%     
==========================================
  Files         302      312      +10     
  Lines       10587    11115     +528     
  Branches     2777     2899     +122     
==========================================
+ Hits         5603     5898     +295     
- Misses       4939     5169     +230     
- Partials       45       48       +3     

Flag	Coverage Δ
dashboards-observability	53.06% <54.83%> (+0.14%)	⬆️

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