Fix: Consider ZCL frame control direction for sending default response #4947
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With the current code, deCONZ sends default responses, regardless if the come from a client or server cluster of the device with direction Client to Server. While this is appropriate in most cases as the majority of data from devices originates from a server cluster, it fails in case origin is a client cluster.
Consequence is that a default response is sent, but not appropriately understood by the receiving device. This basically has the same effect as if no default response has been sent and can result in duplicate transmissions from the originating device.