[gnome-shell] iconGrid: Fix icon alignment

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit f5f9bd2e5e1844449003b51084fe921bb7f59c3a
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Dec 20 22:47:01 2019 +0100

    iconGrid: Fix icon alignment
    
    We don't want the icon to fill extra space, so set the alignment
    accordingly. Otherwise we get an unexpected result when adding
    a background just to the icon part (as far as I can tell: just
    system-action-icon).
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/909

 js/ui/iconGrid.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/js/ui/iconGrid.js b/js/ui/iconGrid.js
index 6d6ff5cbe2..11ea0a7f92 100644
--- a/js/ui/iconGrid.js
+++ b/js/ui/iconGrid.js
@@ -51,7 +51,7 @@ class BaseIcon extends St.Bin {
         this.set_child(this._box);
 
         this.iconSize = ICON_SIZE;
-        this._iconBin = new St.Bin();
+        this._iconBin = new St.Bin({ x_align: Clutter.ActorAlign.CENTER });
 
         this._box.add_actor(this._iconBin);