to change the configuration, skip the step CALCULATING (#743)

Author: Alek5andr-Kotov

ydb/core/persqueue/pq_impl.cpp

@@ -3508,15 +3508,19 @@ void TPersQueue::CheckTxState(const TActorContext& ctx,
         if (tx.PartitionRepliesCount == tx.PartitionRepliesExpected) {
             switch (tx.Kind) {
             case NKikimrPQ::TTransaction::KIND_DATA:
+                SendEvReadSetToReceivers(ctx, tx);
 
-                [[fallthrough]];
+                WriteTx(tx, NKikimrPQ::TTransaction::WAIT_RS);
+
+                tx.State = NKikimrPQ::TTransaction::CALCULATED;
+                break;
 
             case NKikimrPQ::TTransaction::KIND_CONFIG:
                 SendEvReadSetToReceivers(ctx, tx);
 
-                WriteTx(tx, NKikimrPQ::TTransaction::WAIT_RS);
+                tx.State = NKikimrPQ::TTransaction::WAIT_RS;
 
-                tx.State = NKikimrPQ::TTransaction::CALCULATED;
+                CheckTxState(ctx, tx);
                 break;
 
             case NKikimrPQ::TTransaction::KIND_UNKNOWN: