- Need a mechanism to generate signature for commissioner's CSR

[todo]

connectedhomeip/src/controller/CHIPDeviceController.cpp

Lines 306 to 312 in 50580e7

	// TODO - Need a mechanism to generate signature for commissioner's CSR
	ReturnErrorOnFailure(mOperationalCredentialsDelegate->GenerateNOCChain(
	ByteSpan(csrElements.Get(), csrElementWriter.GetLengthWritten()), ByteSpan(), ByteSpan(), ByteSpan(), ByteSpan(),
	&mLocalNOCChainCallback));
	ReturnErrorOnFailure(mFabrics.Store(fabric->GetFabricIndex()));
	}

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This issue was generated by todo based on a TODO comment in 50580e7 when #8550 was merged. cc @pan-apple.