Desktop left a boxPointer after popup menu closed

Affected version

gnome-shell 3.36.0

In Virtual Machine KVM

Bug summary

gnome-shell works on Xorg, click top right panel twice, popup menu opens and closes, but a boxpointer is left.

If gnome-shell works on wayland, the issue doesn't happen.

Steps to reproduce

1. system in virtual machine KVM
2. gnome-shell on Xorg
3. click top right panel twice

Relevant logs, screenshots, screencasts etc.

If I add this patch, issue disappears.

diff --git a/js/ui/boxpointer.js b/js/ui/boxpointer.js
index 03cb4a567..9558e89a5 100644
--- a/js/ui/boxpointer.js
+++ b/js/ui/boxpointer.js
@@ -150,10 +150,10 @@ var BoxPointer = GObject.registerClass({
             duration: animationTime,
             mode: Clutter.AnimationMode.LINEAR,
             onComplete: () => {
-                this.hide();
                 this.opacity = 0;
                 this.translation_x = 0;
                 this.translation_y = 0;
+                this.hide();
                 if (onComplete)
                     onComplete();
             },