Add a test with recursive DROP TABLE (mv w/o explicit inner table)

tests/queries/0_stateless/01517_drop_mv_with_inner_table.reference

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+source
+source

tests/queries/0_stateless/01517_drop_mv_with_inner_table.sql

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+--
+-- Atomic no SYNC
+-- (should go first to check that thread for DROP TABLE does not hang)
+--
+drop database if exists db_01517_atomic;
+create database db_01517_atomic Engine=Atomic;
+
+create table db_01517_atomic.source (key Int) engine=Null;
+create materialized view db_01517_atomic.mv engine=Null as select * from db_01517_atomic.source;
+
+drop table db_01517_atomic.mv;
+-- ensure that the inner had been removed after sync drop
+drop table db_01517_atomic.source sync;
+show tables from db_01517_atomic;
+
+--
+-- Atomic
+--
+drop database if exists db_01517_atomic_sync;
+create database db_01517_atomic_sync Engine=Atomic;
+
+create table db_01517_atomic_sync.source (key Int) engine=Null;
+create materialized view db_01517_atomic_sync.mv engine=Null as select * from db_01517_atomic_sync.source;
+
+-- drops it and hangs with Atomic engine, due to recursive DROP
+drop table db_01517_atomic_sync.mv sync;
+show tables from db_01517_atomic_sync;
+
+--
+-- Ordinary
+---
+drop database if exists db_01517_ordinary;
+create database db_01517_ordinary Engine=Ordinary;
+
+create table db_01517_ordinary.source (key Int) engine=Null;
+create materialized view db_01517_ordinary.mv engine=Null as select * from db_01517_ordinary.source;
+
+-- drops it and hangs with Atomic engine, due to recursive DROP
+drop table db_01517_ordinary.mv sync;
+show tables from db_01517_ordinary;