v.25.12Performance Improvement

Support keeping reading

Support keeping reading in order from the left table in LEFT/INNER JOIN operations, which can be utilized by subsequent steps. Can be disabled using setting query_plan_read_in_order_through_join. Support virtual row while reading optimization (see setting read_in_order_use_virtual_row) for LEFT/INNER JOINs. #89815 (Vladimir Cherkasov).