fix: Off-resonance array backend checks. #1419

Job	Run time
get-commit-message	2s
test-cpu (finufft)	19m 22s
test-gpu (cufinufft)	13m 39s
test-cpu (pynfft)	4m 24s
test-gpu (gpunufft)	13m 34s
test-cpu (sigpy)	4m 31s
test-gpu (torchkbnufft-gpu)	15m 11s
test-examples	21m 2s
Build API Documentation	0s
coverage	23s
Compile the coverage badge in docs	0s
	1h 32m 8s

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