Docs: Parent field is no longer indexed and should use parent_id instead of term query
Docs: Parent field is no longer indexed and should use parent_id instead of term query

Closes #22517

strapdata/elassandra5-rc,strapdata/elassandra5-rc,strapdata/elassandra5-rc,strapdata/elassandra5-rc,strapdata/elassandra5-rc