[polari] ui: Add shortcut for primary menu

[Florian Müllner <fmuellner src gnome org>]

commit 04e9e713e2ee41250a3c92fed67c70cab84f518d
Author: Sabri Ünal <libreajans gmail com>
Date:   Wed Feb 12 19:02:06 2020 +0000

    ui: Add shortcut for primary menu
    
    The HIG has a standard shortcut for the primary menu:
    https://developer.gnome.org/hig/stable/keyboard-input.html.en
    
    https://gitlab.gnome.org/GNOME/polari/merge_requests/144

 data/resources/help-overlay.ui | 16 +++++++++++++++-
 data/resources/main-window.ui  |  1 +
 2 files changed, 16 insertions(+), 1 deletion(-)
---
diff --git a/data/resources/help-overlay.ui b/data/resources/help-overlay.ui
index 8437a1a..cbac847 100644
--- a/data/resources/help-overlay.ui
+++ b/data/resources/help-overlay.ui
@@ -42,6 +42,20 @@
                 <property name="accelerator">&lt;Primary&gt;e</property>
               </object>
             </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">True</property>
+                <property name="title" translatable="yes" context="shortcut window">Show Help</property>
+                <property name="accelerator">F1</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">True</property>
+                <property name="title" translatable="yes" context="shortcut window">Open Menu</property>
+                <property name="accelerator">F10</property>
+              </object>
+            </child>
             <child>
               <object class="GtkShortcutsShortcut">
                 <property name="visible">True</property>
@@ -53,7 +67,7 @@
               <object class="GtkShortcutsShortcut">
                 <property name="visible">True</property>
                 <property name="title" translatable="yes" context="shortcut window">Keyboard 
Shortcuts</property>
-                <property name="accelerator">&lt;Primary&gt;question &lt;Primary&gt;F1</property>
+                <property name="accelerator">&lt;Primary&gt;question</property>
               </object>
             </child>
           </object>
diff --git a/data/resources/main-window.ui b/data/resources/main-window.ui
index bf89864..d3d50bf 100644
--- a/data/resources/main-window.ui
+++ b/data/resources/main-window.ui
@@ -80,6 +80,7 @@
                 <property name="halign">end</property>
                 <property name="valign">center</property>
                 <property name="menu-model">hamburgerMenu</property>
+                <accelerator key="F10" signal="activate"/>
                 <style>
                   <class name="image-button"/>
                 </style>