Fixes for normalization issues #1499

Job	Run time
test-cpu (finufft)	17m 38s
test-cpu (finufft)	17m 38s
test-gpu (cufinufft)	11m 51s
test-gpu (cufinufft)	11m 51s
get-commit-message	3s
get-commit-message	3s
test-cpu (pynfft)	4m 37s
test-cpu (pynfft)	4m 37s
test-gpu (gpunufft)	11m 28s
test-gpu (gpunufft)	10m 54s
test-cpu (sigpy)	4m 33s
test-cpu (sigpy)	4m 33s
test-gpu (torchkbnufft-gpu)	1s
test-gpu (torchkbnufft-gpu)	14m 33s
Build API Documentation	0s
Build API Documentation	0s
test-examples	23m 20s
test-examples	23m 20s
coverage	32s
coverage	25s
Compile the coverage badge in docs	0s
Compile the coverage badge in docs	0s
	2h 41m 57s

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