[Fix-16783][Datasource] Fix switching multiple data sources, displayi… #4

Job	Run time
Backend-Path-Filter	7s
Backend-Build (8)	13m 59s
Backend-Build (11)	15m 12s
cluster-test-mysql-with-zookeeper-registry	2m 56s
schema-check-with-mysql-3.1.9	2m 12s
cluster-test-mysql-with-mysql-registry	3m 29s
schema-check-with-postgresql-3.1.9	1m 4s
cluster-test-postgresql-zookeeper-registry	2m 46s
cluster-test-postgresql-with-postgresql-registry	3m 29s
schema-check-with-mysql-3.2.0	2m 5s
schema-check-with-postgresql-3.2.0	1m 54s
Build	1s
	49m 14s

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