Refactor refresh metadata after storage unit registered #13248

Job	Run time
Import Global Environment / init-environment	5s
Build E2E Image	7m 59s
E2E - Agent with MySQL (proxy, tracing, jaeger)	6m 44s
E2E - Agent with MySQL (proxy, tracing, zipkin)	6m 47s
E2E - Agent with MySQL (proxy, metrics, prometheus)	6m 57s
E2E - Agent with MySQL (proxy, logging, file)	7m 26s
E2E - Agent with MySQL (jdbc, logging, file)	7m 15s
E2E - Agent with MySQL (jdbc, metrics, prometheus)	7m 52s
E2E - Agent with MySQL (jdbc, tracing, jaeger)	7m 55s
E2E - Agent with MySQL (jdbc, tracing, zipkin)	6m 30s
	1h 5m 30s

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