[gtk/wip/jimmac/combobox-lists] stylesheet: sync combox with other popovers

[Jakub Steiner <jimmac src gnome org>]

commit 4fdd73fc483ef51df0a0b0f1752cfad07df54573
Author: Jakub Steiner <jimmac gmail com>
Date:   Mon Oct 3 15:37:42 2022 +0200

    stylesheet: sync combox with other popovers
    
    - use the same lists style as everything else (menus, sidebars ...)
    
    Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/5221

 gtk/theme/Default/_common.scss | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/gtk/theme/Default/_common.scss b/gtk/theme/Default/_common.scss
index d627cf9674..0b25a13a33 100644
--- a/gtk/theme/Default/_common.scss
+++ b/gtk/theme/Default/_common.scss
@@ -1290,8 +1290,7 @@ combobox {
    padding: 0;
 
    listview {
-
-      margin: 8px 0;
+      margin: 8px;
 
       > row.activatable {
          padding: 8px;