Allow setting additional controllers for `IotaDocument`. (#1314) #4835

Job	Run time
check-for-run-condition	1s
check-for-modification	6s
build-wasm / build-wasm (ubuntu-latest)	3m 4s
build-and-test (ubuntu-latest)	16m 16s
build-and-test (macos-latest)	13m 52s
build-and-test (windows-latest)	14m 14s
test-wasm (ubuntu-latest)	4m 54s
	52m 27s

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