fix(node): export the structural RpcFunctionsHost type from devframe/… #387

Job	Run time
e2e	2m 39s
unit-test / test (windows-latest, 24)	4m 11s
unit-test / test (ubuntu-latest, 22)	2m 8s
unit-test / test (windows-latest, 26)	4m 4s
unit-test / lint	1m 33s
unit-test / test (ubuntu-latest, 26)	2m 8s
unit-test / test (ubuntu-latest, 24)	1m 56s
unit-test / test (windows-latest, 22)	4m 45s
	23m 24s

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