gstsctpclientsink: Process query caps responses
gstsctpclientsink: Process query caps responses

Change-Id: I79fb606cbd15be83bef13bf281e9d36580a6a313

KurentoLegacy/gst-kurento-plugins,KurentoLegacy/gst-kurento-plugins,KurentoLegacy/gst-kurento-plugins,KurentoLegacy/gst-kurento-plugins