[gnome-shell] altTab: Use correct actor in label height computation

[Florian Müllner <fmuellner src gnome org>]

commit e4147f3611d97369db5722e876982316af2d7b76
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Nov 5 02:36:38 2019 +0100

    altTab: Use correct actor in label height computation
    
    Commit f2bd39b20 removed an intermediate bin, and now we use the
    thumbnail bin instead of the label actor to compute the label
    height, whoops.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/804

 js/ui/altTab.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/js/ui/altTab.js b/js/ui/altTab.js
index 1c4a239984..c2d3760a2b 100644
--- a/js/ui/altTab.js
+++ b/js/ui/altTab.js
@@ -899,7 +899,7 @@ class ThumbnailList extends SwitcherPopup.SwitcherList {
                     // St.Label doesn't support text-align
                     x_align: Clutter.ActorAlign.CENTER,
                 });
-                this._labels.push(bin);
+                this._labels.push(name);
                 box.add_actor(name);
 
                 this.addItem(box, name);