[9.1] [Search] Fix null property being read on Playground (#230729)

[kibanamachine]

Backport

This will backport the following commits from main to 9.1:

• [Search] Fix null property being read on Playground (#230729)

Questions ?

Please refer to the Backport tool documentation

[elasticmachine]

💔 Build Failed

• Buildkite Build
• Commit: e3b72a1

Failed CI Steps

• Jest Tests #11
• Jest Tests #11
• FTR Configs #59

Test Failures

• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should call batchBackfillRuleGaps correctly
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should call batchBackfillRuleGaps correctly
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should ensure the user is authorized for each combination of ruleTypeId and consumer found in the rules
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should ensure the user is authorized for each combination of ruleTypeId and consumer found in the rules
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should log an audit event when the rule fails at the authorization step
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should log an audit event when the rule fails at the authorization step
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should refresh the index of the event client once after scheduling the backfilling of all gaps
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should refresh the index of the event client once after scheduling the backfilling of all gaps
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should return a list with errored rules
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should return a list with errored rules
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should return a list with rules that succeeded
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should return a list with rules that succeeded
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should return a list with rules that were skipped
• [job] [logs] Jest Tests #11 / bulkFillGapsByRuleIds should return a list with rules that were skipped
• [job] [logs] FTR Configs #59 / discover/group1 discover unified histogram breakdown should choose breakdown field

Metrics [docs]

✅ unchanged

History

cc @sphilipse