fix: make local queue PopItem can be notified (#39011)

modules/queue/workergroup.go

@@ -14,7 +14,9 @@ import (
 )
 
 var (
-	infiniteTimerC         = make(chan time.Time)
+	noNotifyChan   chan struct{}
+	infiniteTimerC chan time.Time
+
 	batchDebounceDuration  = 100 * time.Millisecond
 	workerIdleDuration     = 1 * time.Second
 	shutdownDefaultTimeout = 2 * time.Second