Task439320:[REST] operation list in description changed every time wh…

Microsoft.RestApi.RestTransformer/RestGroupTransformer.cs

@@ -57,7 +57,7 @@ public OperationGroupEntity Transform(SwaggerModel swaggerModel, RestApiRootItem
         private string GenerateMetaDataDescription(ConcurrentBag<Operation> operations, string serviceName, string groupName)
         {
             const string formatStr= "Learn more about [{0} {1} Operations]. How to [{2}].";
-            var names=operations.Select(p=>p.Name);
+            var names=operations.Select(p=>p.Name).OrderBy(n => n);
             return string.Format(formatStr, serviceName, groupName, string.Join(",", names));
         }
     }