GUAC-932: Display the cog when parameters are not yet loaded.

guacamole/src/main/webapp/app/manage/controllers/connectionEditModalController.js

@@ -36,7 +36,6 @@ angular.module('manage').controller('connectionEditModalController', ['$scope',
     
     // Copy data into a new conection object in case the user doesn't want to save
     $scope.connection = new Connection($scope.connection);
-    $scope.connection.parameters = {};
     
     var newConnection = !$scope.connection.identifier;
     
@@ -60,6 +59,9 @@ angular.module('manage').controller('connectionEditModalController', ['$scope',
         });
 
     }
+    else {
+        $scope.connection.parameters = {};
+    }
     
     /**
      * Close the modal.