Count only the controller's own consumers in the deaf look, not the check workers a builder holds (issue 1063)

internal/broker/streams.go

@@ -498,7 +498,14 @@ const EventsStream = "EVENTS"
 // held through a store restart — the exact message the stream exists to protect — some minutes
 // before the controller had finished deciding about it.
 func MeshConsumers() []Consumer {
-	return append([]Consumer{
+	return append(ControllerConsumers(), CheckWorkers()...)
+}
+
+// ControllerConsumers are the consumers the controller's own event loop takes from: MeshConsumers without the build
+// seat's check workers, which the builders take from and the loop never does (issue 1063). A consumer added to the
+// controller is counted here without a change elsewhere.
+func ControllerConsumers() []Consumer {
+	return []Consumer{
 		{
 			Name:           ControllerName,
 			Stream:         "CONTROL",
@@ -558,7 +565,7 @@ func MeshConsumers() []Consumer {
 			Why: "the controller copies each message a consumer gave up on into DEAD_LETTERS; no max-deliver, " +
 				"because a notice it gave up on would lose the message it is about",
 		},
-	}, CheckWorkers()...)
+	}
 }
 
 // NoticesConsumer is the controller's consumer on DEAD_LETTER_NOTICES (novox/hq issue 330).