refactor/emcomposition_field_handling (#3122) #9783

Job	Run time
build (3.7, x64, ubuntu)	56m 10s
build (3.7, x64, windows)	55m 14s
build (3.11, x64, ubuntu)	1h 23m 51s
build (3.11, x64, macos)	32m 9s
build (3.11, x64, windows)	1h 25m 40s
build (3.12, x64, ubuntu)	1h 21m 32s
build (3.12, x64, macos)	33m 55s
build (3.12, x64, windows)	1h 24m 23s
build (3.9, macos, --cov=psyneulink)	43m 22s
build (3.9, ubuntu, --forked -m "not llvm")	34m 38s
build (3.8, x86, windows)	1h 28m 19s
build (3.10, ubuntu, --fp-precision=fp32)	1h 23m 19s
build (3.10, macos, -m benchmark --benchmark-enable --benchmark-only --benchmark-min-rounds=2 --b...	26m 56s
build (3.7, x64, ubuntu, min)	58m 5s
build (3.8, macos)	32m 34s
	14h 40m 7s

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