cluster: fix that scaled nodes don't respect `component_versions` #4138

Job	Run time
dm (--do-cases test_cmd)	8m 33s
dm (--do-cases test_upgrade)	6m 32s
dm (--native-ssh --do-cases test_cmd)	7m 45s
dm (--native-ssh --do-cases test_upgrade)	6m 38s
	29m 28s

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