Failing test: Serverless Observability Functional Tests - Common Group 5.x-pack/test_serverless/functional/test_suites/common/discover/group6/_sidebar·ts - discover/group6 discover sidebar field stats should work for regular and pinned filters

Failing test: Serverless Observability Functional Tests - Common Group 5.x-pack/test_serverless/functional/test_suites/common/discover/group6/_sidebar·ts - discover/group6 discover sidebar field stats should work for regular and pinned filters #103353