sea: add allowDynamicImportFromFileSystem config option #5598

Job	Run time
Build slim tarball	2m 10s
x86_64-darwin: with shared libraries	34m 43s
aarch64-darwin: with shared libraries	21m 5s
aarch64-linux: with shared libraries	19m 19s
x86_64-linux: with shared libraries	23m 32s
	1h 40m 49s

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