Add shadow memory get_field function #8496

Job	Run time
check-ubuntu-20_04-cmake-gcc	35m 7s
check-ubuntu-20_04-cmake-gcc-KNOWNBUG	3m 22s
check-ubuntu-20_04-make-clang	40m 16s
check-ubuntu-20_04-make-clang-smt-z3	7m 14s
check-ubuntu-20_04-make-gcc	26m 11s
check-ubuntu-22_04-cmake-gcc	23m 15s
check-ubuntu-22_04-cmake-gcc-12	26m 45s
check-ubuntu-22_04-make-clang	18m 52s
check-docker-image	28m 5s
check-macos-11-make-clang	34m 19s
check-macos-12-cmake-clang	54m 34s
check-string-table	3m 40s
check-ubuntu-20_04-cmake-gcc-THOROUGH	9m 36s
check-vs-2019-cmake-build-and-test	1h 5m 0s
check-vs-2022-make-build-and-test	1h 25m 31s
codecov-coverage-report	59m 30s
include-what-you-use	40m 32s
windows-msi-package	6m 32s
	9h 28m 21s

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