[BACKPORT] Fix infinite resource updates due to canonical format conversion of resource requirements #4699

Job	Run time
sample_operators_tests (sample-operators/mysql-schema)	2m 49s
sample_operators_tests (sample-operators/tomcat-operator)	2m 48s
sample_operators_tests (sample-operators/webpage)	2m 44s
sample_operators_tests (sample-operators/leader-election)	3m 6s
	11m 27s

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