feat: log slow queries even without query logging (influxdata#23320)

Log long-running queries if "log-queries-after" > 0,
even if general query logging is not enabled.

closes influxdata#23147

cmd/influxd/run/server.go

@@ -431,6 +431,9 @@ func (s *Server) Open() error {
 	s.TSDBStore.WithLogger(s.Logger)
 	if s.config.Data.QueryLogEnabled {
 		s.QueryExecutor.WithLogger(s.Logger)
+	} else if s.config.Coordinator.LogQueriesAfter > 0 {
+		// Log long-running queries even if not logging all queries
+		s.QueryExecutor.TaskManager.Logger = s.Logger
 	}
 	s.PointsWriter.WithLogger(s.Logger)
 	s.Subscriber.WithLogger(s.Logger)