Fix bbox to xyz roundtrip computation #2472

Job	Run time
Lint and Unit test	1m 39s
Build and test docker images	4m 59s
Build aarch64-apple-darwin	2m 24s
Build debian-x86_64	5m 32s
Build x86_64-apple-darwin	8m 24s
Build x86_64-pc-windows-msvc	3m 59s
Build x86_64-unknown-linux-gnu	1m 22s
Test on macOS-latest	5m 55s
Test postgis:11-3.0-alpine sslmode=disable	3m 37s
Test on windows-latest	1m 40s
Test postgis:14-3.3-alpine sslmode=disable	5m 15s
Test on ubuntu-latest	46s
Test postgis:15-3.3 sslmode=require	3m 40s
Package	0s
CI Finished	0s
	49m 12s

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