not tracking totalHits if size is 0

[ppisljar]

Summary

resolves #164194

Checklist

Delete any items that are not applicable to this PR.

• Unit or functional tests were updated or added to match the most common scenarios

[kibana-ci]

💔 Build Failed

• Buildkite Build
• Commit: faf32c3
• Interpreting CI Failures

Failed CI Steps

• Jest Tests #2
• Jest Tests #7
• Jest Tests #11
• Jest Tests #13
• FTR Configs #49
• FTR Configs #49

Test Failures

• [job] [logs] Jest Tests #13 / context api createSearchSource when useFieldsApi is false
• [job] [logs] Jest Tests #13 / context api createSearchSource when useFieldsApi is true
• [job] [logs] Jest Tests #13 / context app function fetchAnchor should update search source correctly when useNewFieldsApi set to false
• [job] [logs] Jest Tests #13 / context app function fetchAnchor should update search source correctly when useNewFieldsApi set to true
• [job] [logs] FTR Configs #49 / data plugin data.search searchSource createEmpty()
• [job] [logs] FTR Configs #49 / data plugin data.search searchSource createEmpty()
• [job] [logs] Jest Tests #7 / getQueryFromSavedSearchObject() should return parsed searchSourceJSON with query and filter
• [job] [logs] Jest Tests #13 / getSharingData getSearchSource does not add fields to the searchSource
• [job] [logs] Jest Tests #13 / getSharingData getSearchSource does not add fields to the searchSource with 'discover:searchFieldsFromSource=true'
• [job] [logs] Jest Tests #2 / Saved Object save to extract references when indexes exists in filter of searchSourceJSON
• [job] [logs] Jest Tests #2 / Saved Object save to extract references when search source references saved object
• [job] [logs] Jest Tests #11 / saved_searches_utils fromSavedSearchAttributes should convert attributes into SavedSearch
• [job] [logs] Jest Tests #11 / SearchSource #serialize should add pit
• [job] [logs] Jest Tests #11 / SearchSource #serialize should omit size but not sort
• [job] [logs] Jest Tests #11 / SearchSource getSerializedFields should return serialized fields

Metrics [docs]

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
data	2577	2579	+2

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
data	407.5KB	407.8KB	+242.0B

Unknown metric groups

API count

id	before	after	diff
data	3308	3310	+2

History

• 💔 Build #156296 failed 916d63e
• 💔 Build #155970 failed 43a2bd0
• 💔 Build #154384 failed ca2e825

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@elasticmachine merge upstream