Resolve "Applying a configuration with tls=true via configurationmanagement is impossible"

See merge request !1238

Co-authored-by: S.H. <sebastian.heiss94@proton.me>

controller/northbound/server/configurationmanagement.go

@@ -313,6 +313,7 @@ func (c ConfigurationManagementServer) createNetworkElements(sdnConfig *loadedSD
 			// TODO: change TransportOption - type is not needed; this should
 			// be removed as soon as we remove the csbi device type
 			Type: spb.Type_TYPE_OPENCONFIG,
+			Tls:  inputNetworkElement.TransportTLS,
 		}
 
 		plugin, err := c.pluginService.RequestPlugin(uuid.MustParse(inputNetworkElement.Plugin))