implement map_extract_first for convenience #1508

Job	Run time
Python 3.9 Linux	22m 0s
Linux Extensions (linux_amd64_gcc4)	1h 27m 50s
Python 3 Windows (cp310-*, false)	34m 32s
Python 3 Windows (cp312-*, false)	30m 40s
Python 3 OSX	0s
PyPi Release Cleanup	0s
Python 3 Windows (cp313-*, false)	28m 28s
Python 3 Linux (x86_64, cp312-*, manylinux2014, false)	41m 54s
Python 3 Linux (x86_64, cp313-*, manylinux2014, false)	36m 16s
twine-upload	0s
	4h 41m 40s

Provide feedback