Update endpoint.go with Key function

endpoint/endpoint.go

@@ -295,7 +295,8 @@ func FilterEndpointsByOwnerID(ownerID string, eps []*Endpoint) []*Endpoint {
 	filtered := []*Endpoint{}
 	visited := make(map[EndpointKey]bool) // Initialize the visited map
 	for _, ep := range eps {
-		key := EndpointKey{DNSName: ep.DNSName, RecordType: ep.RecordType, SetIdentifier: ep.SetIdentifier}
+		//key := EndpointKey{DNSName: ep.DNSName, RecordType: ep.RecordType, SetIdentifier: ep.SetIdentifier} --< this line passes the unit tests but I think it's wrong
+		key := ep.Key() // This function should be the primary key for endpoints but it's only considering DNSName, RecordType & SetIdentifier. 
 		if visited[key] { //Do not contain duplicated endpoints
 			log.Debugf(`Already loaded endpoint %v `, ep)
 			continue