Added retry policy for sleeping serverless error for SqlConnections (#2155)

src/Microsoft.SqlTools.ServiceLayer/Agent/Jobs/AgentNotebookHelper.cs

@@ -43,6 +43,7 @@ namespace Microsoft.SqlTools.ServiceLayer.Agent
             }
             using (SqlConnection connection = new SqlConnection(ConnectionService.BuildConnectionString(connInfo.ConnectionDetails)))
             {
+                connection.RetryLogicProvider = Connection.ReliableConnection.SqlRetryProviders.ServerlessDBRetryProvider();
                 connection.Open();
                 using (SqlCommand sqlQueryCommand = new SqlCommand(sqlQuery, connection))
                 {