:fix: improve event bus observability #2203

Job	Run time
Build	6m 53s
test-broker	28m 5s
test-brokerAcl	18m 29s
test-device	5m 35s
test-device-management	13m 7s
test-tag	2m 24s
test-accountAndTranslator	6m 38s
test-connection	15m 1s
test-datastore	16m 5s
test-jobsAndScheduler	3m 16s
test-jobsIntegration	10m 28s
test-jobsIntegrationBase	9m 59s
test-security	5m 28s
test-user	3m 53s
test-userIntegration	8m 54s
test-userIntegrationBase	8m 11s
build-javadoc	10m 25s
junit-tests	8m 59s
test-api-auth	7m 5s
test-endpoint	8m 26s
test-jobEngineRestartOfflineDevice	10m 37s
test-deviceRegistry	13m 15s
test-jobEngineRestartOnlineDevice	12m 49s
test-jobEngineRestartOnlineDeviceSecondPart	13m 28s
test-jobEngineServiceStop	13m 40s
test-jobEngineStartOfflineDevice	11m 40s
test-jobEngineStartOnlineDevice	12m 27s
test-jobEngineStepDefinitions	8m 53s
test-RoleAndGroup	3m 18s
	4h 57m 28s

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