fix: skip the sync peer that does not belong to the scheduler cluster… #1686

Job	Run time
e2e_tests (normal)	39m 44s
e2e_tests (concurent-back-source)	38m 31s
e2e_tests (disable-seed-peer)	20m 15s
e2e_tests (ipv6)	39m 2s
e2e_tests (split-running-tasks)	42m 58s
e2e_tests (cache-list-metadata)	43m 10s
e2e_tests (write-buffer-size)	42m 55s
	4h 26m 35s

Provide feedback