[gnome-shell-extensions] drive-menu: Fix indicator visibility

[Marge Bot <marge-bot src gnome org>]

commit 3539ce113907ffda813e1a990891b0911c9702ef
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Jul 13 11:40:31 2021 +0200

    drive-menu: Fix indicator visibility
    
    Commit 519269be9d made the check for network mounts non-blocking, and
    we now update the indicator's visibility before a newly-added network
    mount is hidden.
    
    Address this by monitoring the item itself for visibility changes.
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/176>

 extensions/drive-menu/extension.js | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/extensions/drive-menu/extension.js b/extensions/drive-menu/extension.js
index 3fac236..6c6fd76 100644
--- a/extensions/drive-menu/extension.js
+++ b/extensions/drive-menu/extension.js
@@ -189,6 +189,8 @@ class DriveMenu extends PanelMenu.Button {
         let item = new MountMenuItem(mount);
         this._mounts.unshift(item);
         this.menu.addMenuItem(item, 0);
+
+        item.connect('notify::visible', () => this._updateMenuVisibility());
     }
 
     _removeMount(mount) {