fix: normalize Arrow-backed arrays to numpy in Ray test comparison #12974

Job	Run time
Minimal Install	1m 3s
Event File	4s
Unit Tests	17m 26s
Distributed (distributed_f)	10m 55s
Distributed (distributed_c)	14m 29s
Integration (integration_tests_h)	18m 2s
Integration (integration_tests_e)	2m 10s
Integration (integration_tests_c)	7m 6s
Integration (integration_tests_a)	4m 41s
Integration (integration_tests_d)	5m 13s
Integration (integration_tests_f)	11m 31s
Integration (integration_tests_j)	22m 17s
Integration (integration_tests_b)	6m 36s
Integration (integration_tests_i)	4m 36s
Distributed (distributed_b)	7m 23s
Distributed (distributed_d)	7m 11s
Distributed (distributed_a)	4m 32s
Integration (integration_tests_g)	20m 25s
Distributed (distributed_e)	13m 0s
	2h 58m 40s

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