improve: showcase initialized spec deleted when adding finalizer with SSA with same fieldManager #5552

Job	Run time
check_format_and_unit_tests	1m 25s
build / Special integration tests (17)	1m 52s
build / Special integration tests (24)	1m 46s
build / Special integration tests (21)	2m 2s
build / httpclient-tests (jdk) / Integration tests (24, 1.32.0, jdk)	22m 23s
build / httpclient-tests (jetty) / Integration tests (24, 1.32.0, jetty)	24m 4s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	22m 2s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	23m 24s
build / integration_tests (24, 1.32.4) / Integration tests (24, 1.32.4, vertx)	22m 45s
build / httpclient-tests (vertx) / Integration tests (24, 1.32.0, vertx)	22m 49s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	23m 1s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	23m 45s
build / integration_tests (24, 1.33.1) / Integration tests (24, 1.33.1, vertx)	23m 23s
build / integration_tests (17, 1.33.1) / Integration tests (17, 1.33.1, vertx)	23m 53s
build / integration_tests (24, 1.30.12) / Integration tests (24, 1.30.12, vertx)	22m 4s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	23m 30s
build / integration_tests (24, 1.31.8) / Integration tests (24, 1.31.8, vertx)	22m 42s
build / integration_tests (21, 1.33.1) / Integration tests (21, 1.33.1, vertx)	24m 7s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	23m 38s
	5h 54m 35s

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