Fix bbox to xyz roundtrip computation #2470

Job	Run time
Build and test docker images	4m 45s
Build aarch64-apple-darwin	9m 48s
Build debian-x86_64	5m 37s
Build x86_64-apple-darwin	5m 53s
Lint and Unit test	1m 30s
Build x86_64-pc-windows-msvc	4m 37s
Build x86_64-unknown-linux-gnu	6m 9s
Test on macOS-latest	9m 47s
Test postgis:11-3.0-alpine sslmode=disable	3m 36s
Test on windows-latest	2m 41s
Test postgis:14-3.3-alpine sslmode=disable	3m 35s
Test on ubuntu-latest	55s
Test postgis:15-3.3 sslmode=require	4m 2s
Package	0s
CI Finished	0s
	1h 2m 55s

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