Write rows as JSON array in JSONEachRow output format

[akuzm]

Changelog category (leave one):

• Improvement

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Add ability to output all rows as a JSON array in the JSONEachRow format, controlled by the output_format_json_array_of_rows setting.

This is a part of #16535

[akuzm]

src/AggregateFunctions/CMakeFiles/clickhouse_aggregate_functions.dir/AggregateFunctionMinMaxAny.cpp.o -c ../src/AggregateFunctions/AggregateFunctionMinMaxAny.cpp
g++-10: fatal error: Killed signal terminated program cc1plus
compilation terminated.

The build failure is not related to the changes, it is a spurious failure due to memory/time limits on build.