PASS: :has() with a :first-child target stays targeted | styleInvalidations=2, fullStyleInvalidations=0, elementStyleRecomputations=2, elementStyleNoopRecomputations=1, elementInheritedStyleRecomputations=0, elementInheritedStyleNoopRecomputations=0, hasAncestorWalkInvocations=1, hasInvalidationMetadataCandidates=1, hasMatchInvocations=1, hasResultCacheHits=0, hasResultCacheMisses=1
