[gtk/nana-4/gtk-sidebar-style-fixes: 4/8] Adwaita: Fix some sidebar sizing

[Jakub Steiner <jimmac src gnome org>]

commit 179fc683551d2681144d20b1e60e0acaee194f7d
Author: nana-4 <hnmaigo gmail com>
Date:   Sun Nov 22 12:24:04 2020 +0900

    Adwaita: Fix some sidebar sizing
    
    - Don't set the sidebar padding twice.
    - Add padding to the assistant sidebar directly, as it doesn't have
      .navigation-sidebar internally.
    - Set missing margin to the sidebar separator.
    
    See https://gitlab.gnome.org/GNOME/gtk/-/issues/3382

 gtk/theme/Adwaita/_common.scss | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index af54488a80..d54d4dc81d 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -186,9 +186,9 @@ label {
 
 window.assistant {
   .sidebar {
+    padding: $menu-margin;
     background-color: $base_color;
     border-top: 1px solid $borders_color;
-
   }
 
   &.csd .sidebar { border-top-style: none; }
@@ -3540,7 +3540,6 @@ filechooserbutton:drop(active) {
  * Sidebar *
  ***********/
 .sidebar {
-  padding: $menu-margin;
   border-style: none;
   background-color: mix($bg_color, $base_color, 50%);
 
@@ -3595,6 +3594,10 @@ separator.sidebar {
 .navigation-sidebar {
   padding: $menu-margin 0; //only vertical padding. horizontal row size would clip
 
+  > separator {
+    margin: $menu-margin;
+  }
+
   > row {
     min-height: 36px;
     padding: 0 8px;