[gnome-shell] theme: submenu separator size

[Florian Müllner <fmuellner src gnome org>]

commit d6c0a53db900f61cd625d9004772e3347e4b0bfc
Author: Jakub Steiner <jimmac gmail com>
Date:   Fri Feb 14 19:06:54 2020 +0100

    theme: submenu separator size
    
    - match width of the submenu separators to the parents
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/1004

 data/theme/gnome-shell-sass/widgets/_popovers.scss | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/data/theme/gnome-shell-sass/widgets/_popovers.scss 
b/data/theme/gnome-shell-sass/widgets/_popovers.scss
index b28893fdc5..a693f15039 100644
--- a/data/theme/gnome-shell-sass/widgets/_popovers.scss
+++ b/data/theme/gnome-shell-sass/widgets/_popovers.scss
@@ -90,6 +90,7 @@ $popover_arrow_height: 12px;
     margin: 6px 64px;
     background-color: lighten($borders_color, 2%);
     .popup-sub-menu & { //submenu separators
+      margin: 0 64px 0 32px;
       @if $variant == 'dark' {
         background-color: lighten($bg_color,10%);
       }