hotfix: check if encryption is set for old agents

machinery/src/config/main.go

@@ -511,10 +511,12 @@ func SaveConfig(configDirectory string, config models.Config, configuration *mod
 func StoreConfig(configDirectory string, config models.Config) error {
 
 	// Encryption key can be set wrong.
-	encryptionPrivateKey := config.Encryption.PrivateKey
-	// Replace \\n by \n
-	encryptionPrivateKey = strings.ReplaceAll(encryptionPrivateKey, "\\n", "\n")
-	config.Encryption.PrivateKey = encryptionPrivateKey
+	if config.Encryption != nil {
+		encryptionPrivateKey := config.Encryption.PrivateKey
+		// Replace \\n by \n
+		encryptionPrivateKey = strings.ReplaceAll(encryptionPrivateKey, "\\n", "\n")
+		config.Encryption.PrivateKey = encryptionPrivateKey
+	}
 
 	// Save into database
 	if os.Getenv("DEPLOYMENT") == "factory" || os.Getenv("MACHINERY_ENVIRONMENT") == "kubernetes" {

machinery/src/webrtc/main.go

@@ -125,7 +125,7 @@ func InitializeWebRTCConnection(configuration *models.Configuration, communicati
 						Credential: w.TurnServersCredential,
 					},
 				},
-				ICETransportPolicy: pionWebRTC.ICETransportPolicyRelay,
+				//ICETransportPolicy: pionWebRTC.ICETransportPolicyRelay,
 			},
 		)