node: Extend sui watcher live test to validate reobservations #3795

Job	Run time
build-docker	2m 12s
e2e-tests (ictest-slashing-params-update-vaa)	4m 15s
e2e-tests (ictest-wormchain)	6m 59s
e2e-tests (ictest-upgrade)	9m 25s
e2e-tests (ictest-cancel-upgrade)	3m 55s
e2e-tests (ictest-cw-wormhole)	9m 10s
e2e-tests (ictest-validator-hotswap)	4m 22s
e2e-tests (ictest-cw-shutdown-contracts)	7m 24s
	47m 42s

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