[gnome-calculator] Revert "Removed leaflet navigation properties"

[Robert Roth <robertroth src gnome org>]

commit 398543c852903f09dc0d3210b13907a965516bc4
Author: Robert Roth <robert roth off gmail com>
Date:   Sat Jan 8 23:08:43 2022 +0200

    Revert "Removed leaflet navigation properties"
    
    This reverts commit 5498a28edd6170630a3b3611e4f4d397402fc07b.

 src/ui/buttons-advanced.ui    | 2 ++
 src/ui/buttons-basic.ui       | 2 ++
 src/ui/buttons-financial.ui   | 2 ++
 src/ui/buttons-programming.ui | 2 ++
 4 files changed, 8 insertions(+)
---
diff --git a/src/ui/buttons-advanced.ui b/src/ui/buttons-advanced.ui
index 6da99c0c..ad1d2ba6 100644
--- a/src/ui/buttons-advanced.ui
+++ b/src/ui/buttons-advanced.ui
@@ -2,6 +2,8 @@
 <interface>
   <requires lib="gtk" version="4.0"/>
   <object class="AdwLeaflet" id="button_panel">
+    <property name="can-navigate-back">True</property>
+    <property name="can-navigate-forward">True</property>
     <property name="transition-type">slide</property>
     <property name="visible-child">basic</property>
     <style>
diff --git a/src/ui/buttons-basic.ui b/src/ui/buttons-basic.ui
index 7f757fca..b9877b26 100644
--- a/src/ui/buttons-basic.ui
+++ b/src/ui/buttons-basic.ui
@@ -2,6 +2,8 @@
 <interface>
   <requires lib="gtk" version="4.0"/>
   <object class="AdwLeaflet" id="button_panel">
+    <property name="can-navigate-back">True</property>
+    <property name="can-navigate-forward">True</property>
     <property name="transition-type">slide</property>
     <property name="visible-child">basic</property>
     <style>
diff --git a/src/ui/buttons-financial.ui b/src/ui/buttons-financial.ui
index 842bbf4a..08edd29a 100644
--- a/src/ui/buttons-financial.ui
+++ b/src/ui/buttons-financial.ui
@@ -1170,6 +1170,8 @@
     </child>
   </object>
   <object class="AdwLeaflet" id="button_panel">
+    <property name="can-navigate-back">True</property>
+    <property name="can-navigate-forward">True</property>
     <property name="transition-type">slide</property>
     <property name="visible-child">basic</property>
     <style>
diff --git a/src/ui/buttons-programming.ui b/src/ui/buttons-programming.ui
index 27321598..1e75ea3a 100644
--- a/src/ui/buttons-programming.ui
+++ b/src/ui/buttons-programming.ui
@@ -1209,6 +1209,8 @@
     <child>
       <object class="AdwLeaflet" id="leaflet">
         <property name="visible">True</property>
+        <property name="can-navigate-back">True</property>
+        <property name="can-navigate-forward">True</property>
         <property name="transition-type">slide</property>
         <property name="visible-child">basic</property>
         <child>