[epiphany] shortcuts-list: use the commonly used shortcut Ctrl+?

[Michael Catanzaro <mcatanzaro src gnome org>]

commit feed0dd4d6c5b2aaf6fea7897b88af42d67f7d5a
Author: vanadiae <vanadiae35 gmail com>
Date:   Tue Jul 28 22:20:19 2020 +0200

    shortcuts-list: use the commonly used shortcut Ctrl+?
    
    This shortcut is used by any GNOME application out there. This
    is helpful to have the same one everywhere to minimize friction
    when using Epiphany.
    
    Fixes #1078

 src/ephy-shell.c                      | 2 +-
 src/resources/gtk/shortcuts-dialog.ui | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/ephy-shell.c b/src/ephy-shell.c
index 0c9d95853..5c9e71caa 100644
--- a/src/ephy-shell.c
+++ b/src/ephy-shell.c
@@ -514,7 +514,7 @@ ephy_shell_startup (GApplication *application)
     set_accel_for_action (shell, "app.reopen-closed-tab", "<Primary><Shift>t");
     set_accel_for_action (shell, "app.import-bookmarks", "<Primary><Shift>m");
     set_accel_for_action (shell, "app.export-bookmarks", "<Primary><Shift>x");
-    set_accel_for_action (shell, "app.shortcuts", "<Primary>F1");
+    set_accel_for_action (shell, "app.shortcuts", "<Primary>question");
     set_accel_for_action (shell, "app.help", "F1");
   } else {
     g_action_map_add_action_entries (G_ACTION_MAP (application),
diff --git a/src/resources/gtk/shortcuts-dialog.ui b/src/resources/gtk/shortcuts-dialog.ui
index ecfcfa596..947d79d13 100644
--- a/src/resources/gtk/shortcuts-dialog.ui
+++ b/src/resources/gtk/shortcuts-dialog.ui
@@ -73,7 +73,7 @@
               <object class="GtkShortcutsShortcut">
                 <property name="visible">True</property>
                 <property name="title" translatable="yes" context="shortcut window">Shortcuts</property>
-                <property name="accelerator">&lt;Primary&gt;F1</property>
+                <property name="accelerator">&lt;Primary&gt;question</property>
               </object>
             </child>
           </object>