[gnome-disk-utility] smart-dialog: Replace border-width with margin

[Kai Lüke <kailueke src gnome org>]

commit 3de6febd19e3a0e85446ac6ec53709c3739dd453
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Tue Oct 12 14:28:57 2021 +0200

    smart-dialog: Replace border-width with margin
    
    The former is deprecated.

 src/disks/ui/smart-dialog.ui | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/src/disks/ui/smart-dialog.ui b/src/disks/ui/smart-dialog.ui
index a41e4e15..7cf37822 100644
--- a/src/disks/ui/smart-dialog.ui
+++ b/src/disks/ui/smart-dialog.ui
@@ -3,7 +3,6 @@
   <!-- interface-requires gtk+ 3.0 -->
   <object class="GtkDialog" id="dialog1">
     <property name="can_focus">False</property>
-    <property name="border_width">12</property>
     <property name="title" translatable="yes">SMART Data &amp; Self-Tests</property>
     <property name="resizable">True</property>
     <property name="modal">True</property>
@@ -13,6 +12,10 @@
         <property name="can_focus">False</property>
         <property name="orientation">vertical</property>
         <property name="spacing">12</property>
+        <property name="margin_top">12</property>
+        <property name="margin_bottom">12</property>
+        <property name="margin_start">12</property>
+        <property name="margin_end">12</property>
         <child internal-child="action_area">
           <object class="GtkButtonBox" id="action-area">
             <property name="can_focus">False</property>