Fixed caceled issues

Author: GrigoriyPA

ydb/core/kqp/session_actor/kqp_session_actor.cpp

@@ -2286,9 +2286,7 @@ class TKqpSessionActor : public TActorBootstrapped<TKqpSessionActor> {
 
     void Handle(TEvKqp::TEvCancelQueryRequest::TPtr& ev) {
         {
-            auto abort = MakeHolder<NYql::NDq::TEvDq::TEvAbortExecution>();
-            abort->Record.SetStatusCode(NYql::NDqProto::StatusIds::CANCELLED);
-            abort->Record.AddIssues()->set_message("Canceled");
+            auto abort = MakeHolder<NYql::NDq::TEvDq::TEvAbortExecution>(NYql::NDqProto::StatusIds::CANCELLED, "Request was canceled");
             Send(SelfId(), abort.Release());
         }
 

ydb/core/kqp/workload_service/ut/common/kqp_workload_service_ut_common.h

@@ -124,7 +124,7 @@ struct TSampleQueries {
     template <typename TResult>
     static void CheckCancelled(const TResult& result) {
         UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), NYdb::EStatus::CANCELLED, result.GetIssues().ToString());
-        UNIT_ASSERT_STRING_CONTAINS(result.GetIssues().ToString(), "Request timeout exceeded, cancelling after");
+        UNIT_ASSERT_STRING_CONTAINS(result.GetIssues().ToString(), "Request was canceled");
     }
 
     struct TSelect42 {