[gnome-tweaks] menus: move the app menu above the sidebar

[Jeremy Bicha <jbicha src gnome org>]

commit 5ea6f359c0af17f88effa0da6c767630bb30a041
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Wed Dec 5 21:05:01 2018 +0100

    menus: move the app menu above the sidebar
    
    This is recommended by the GNOME HIG.
    
    We also confirmed this placement is intentional
    by discussing in IRC #gnome-design
    
    https://developer.gnome.org/hig/stable/primary-menus.html

 gtweak/tweakview.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtweak/tweakview.py b/gtweak/tweakview.py
index 3446f05..724410b 100644
--- a/gtweak/tweakview.py
+++ b/gtweak/tweakview.py
@@ -95,7 +95,7 @@ class Window(Gtk.ApplicationWindow):
                                         Gtk.IconSize.BUTTON)
         menu_btn.set_image(icon)
         menu_btn.set_menu_model(appmenu)
-        right_header.pack_end(menu_btn)
+        left_header.pack_end(menu_btn)
 
         header.pack_start(left_header, False, False, 0)
         header.pack_start(Gtk.Separator(orientation=Gtk.Orientation.VERTICAL), False, False, 0)