Fixed the create connector message

ui-ngx/src/app/modules/home/components/widget/lib/gateway/gateway-connectors.component.ts

@@ -261,8 +261,11 @@ export class GatewayConnectorComponent extends PageComponent implements AfterVie
       tasks.push(this.attributeService.deleteEntityAttributes(this.device, scope, attributesToDelete));
     }
     forkJoin(tasks).subscribe(_ => {
+      this.showToast(!this.initialConnector
+                      ? this.translate.instant('gateway.connector-created')
+                      : this.translate.instant('gateway.connector-updated')
+      );
       this.initialConnector = value;
-      this.showToast('Update Successful');
       this.updateData(true);
     });
   }

ui-ngx/src/assets/locale/locale.constant-en_US.json

@@ -2711,6 +2711,8 @@
         "connectors-table-actions": "Actions",
         "connectors-table-key": "Key",
         "connectors-table-class": "Class",
+        "connector-created": "Connector created.",
+        "connector-updated": "Connector updated.",
         "rpc-command-send": "Send",
         "rpc-command-result": "Response",
         "rpc-command-edit-params": "Edit parameters",