fix SendChannelData(): requirement !outputChannel.RetryState in async CA (#15338)

Author: yumkam

ydb/library/yql/dq/actors/compute/dq_async_compute_actor.cpp

@@ -847,6 +847,15 @@ class TDqAsyncComputeActor : public TDqComputeActorBase<TDqAsyncComputeActor, TC
         auto it = OutputChannelsMap.find(ev->Get()->ChannelId);
         Y_ABORT_UNLESS(it != OutputChannelsMap.end());
         TOutputChannelInfo& outputChannel = it->second;
+        // This condition was already checked in ProcessOutputsImpl, but since then
+        // RetryState could've been changed. Recheck it once again:
+        if (!Channels->ShouldSkipData(outputChannel.ChannelId) && !Channels->CanSendChannelData(outputChannel.ChannelId)) {
+            // Once RetryState will be reset, channel will trigger either ResumeExecution or PeerFinished; either way execution will re-reach this function
+            CA_LOG_D("OnOutputChannelData return because Channel can't send channel data, channel: " << outputChannel.ChannelId);
+            outputChannel.PopStarted = false;
+            ProcessOutputsState.Inflight--;
+            return;
+        }
         if (outputChannel.AsyncData) {
             CA_LOG_E("Data was not sent to the output channel in the previous step. Channel: " << outputChannel.ChannelId
             << " Finished: " << outputChannel.Finished