improve: showcase initialized spec deleted when adding finalizer with… #5809

Job	Run time
sample_operators_tests (sample-operators/leader-election)	3m 29s
sample_operators_tests (sample-operators/tomcat-operator)	3m 20s
sample_operators_tests (sample-operators/mysql-schema)	2m 55s
sample_operators_tests (sample-operators/webpage)	3m 22s
	13m 6s

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