Added experiment to avoid sending the termination signal

(cherry picked from commit c5357e1f000054ba5836468922cae52a830c8019)

proxy/vmess/outbound/outbound.go

@@ -168,7 +168,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 			return err
 		}
 
-		if request.Option.Has(protocol.RequestOptionChunkStream) {
+		if request.Option.Has(protocol.RequestOptionChunkStream) && !account.NoTerminationSignal {
 			if err := bodyWriter2.WriteMultiBuffer(buf.MultiBuffer{}); err != nil {
 				return err
 			}