add stream to the file snupper

producer/event_monitor_producer/src/eventmon_config.cpp

producer/event_monitor_producer/src/eventmon_config.h

producer/event_monitor_producer/src/main_eventmon.cpp

...event_monitor_producer/unittests/mock_eventmon_config.cpp

...event_monitor_producer/unittests/test_eventmon_config.cpp

...omatic/bug_fixes/producer_send_after_restart/test.json.in

tests/automatic/bug_fixes/receiver_cpu_usage/test.json.in

tests/automatic/full_chain/simple_chain_filegen/test.json.in

...atic/full_chain/simple_chain_filegen_batches/test.json.in

.../full_chain/simple_chain_filegen_multisource/test.json.in

...ll_chain/simple_chain_filegen_readdata_cache/test.json.in

...ull_chain/simple_chain_filegen_readdata_file/test.json.in

tests/automatic/producer/file_monitor_producer/test.json.in

tests/manual/tests_via_nomad/asapo-test_filemon.nomad.in

.../manual/tests_via_nomad/asapo-test_filemon_batch.nomad.in

...l/tests_via_nomad/asapo-test_filemon_multisource.nomad.in

...ts_via_nomad/asapo-test_filemon_producer_tolocal.nomad.in