[gnome-control-center] printers: Fix blurred icons of printers

[Felipe Borges <felipeborges src gnome org>]

commit cc75a07a69b2a90699e9f62f3ceee1691bc0d8e8
Author: Marek Kasik <mkasik redhat com>
Date:   Fri Feb 11 13:07:16 2022 +0100

    printers: Fix blurred icons of printers
    
    Change align of the printers icons to CENTER from FILL so that the icons
    are not stretched.
    
    Issue #1587

 panels/printers/printer-entry.ui | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/panels/printers/printer-entry.ui b/panels/printers/printer-entry.ui
index 17011a992..175f74a67 100644
--- a/panels/printers/printer-entry.ui
+++ b/panels/printers/printer-entry.ui
@@ -100,6 +100,8 @@
               <object class="GtkImage" id="printer_icon">
                 <property name="pixel-size">48</property>
                 <property name="icon_name">printer</property>
+                <property name="valign">center</property>
+                <property name="halign">center</property>
                 <layout>
                   <property name="column">0</property>
                   <property name="row">0</property>