[gnome-calculator] math-window: Default to the desktop mode width

[Robert Roth <robertroth src gnome org>]

commit 749db528dafbe15ad5539a3a37fe670e4658c130
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Mar 18 15:09:46 2021 +0100

    math-window: Default to the desktop mode width
    
    This defaults the width to 680px, the width starting from which the
    leaflets are unfolded. This ensures we start with the same width
    whatever the preset mode is.

 src/ui/math-window.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/ui/math-window.ui b/src/ui/math-window.ui
index f6e0754f..164a52e9 100644
--- a/src/ui/math-window.ui
+++ b/src/ui/math-window.ui
@@ -109,6 +109,7 @@
     <property name="role">gnome-calculator</property>
     <property name="resizable">True</property>
     <property name="show_menubar">False</property>
+    <property name="default_width">680</property>
     <child>
       <object class="GtkBox">
         <property name="visible">True</property>