[service]: add new subcommand to examine the initial configuration #28869

Job	Run time
contrib-tests-matrix (receiver-0)	4m 41s
contrib-tests-matrix (receiver-1)	4m 38s
contrib-tests-matrix (receiver-2)	4m 37s
contrib-tests-matrix (receiver-3)	4m 38s
contrib-tests-matrix (processor)	4m 37s
contrib-tests-matrix (exporter-0)	4m 38s
contrib-tests-matrix (exporter-1)	4m 38s
contrib-tests-matrix (extension)	4m 39s
contrib-tests-matrix (connector)	4m 40s
contrib-tests-matrix (internal)	4m 39s
contrib-tests-matrix (pkg)	4m 40s
contrib-tests-matrix (cmd-0)	4m 45s
contrib-tests-matrix (cmd-1)	4m 38s
contrib-tests-matrix (other)	4m 39s
contrib_tests	1s
	1h 5m 8s

Provide feedback