Prevent Std::terminate When Invalidate_query for Clickhouse External Dictionary Source Has Returned Wrong Resultset (empty or More Than One Row or More Than One Column)

Prevent std::terminate when invalidate_query for clickhouse external dictionary source has returned wrong resultset (empty or more than one row or more than one column). Fixed issue when the invalidate_query was performed every five seconds regardless to the lifetime. #4583 (alexey-milovidov)