[libadwaita/wip/exalm/spacing] stylesheet: Fix GtkActionBar spacing

[Alexander Mikhaylenko <alexm src gnome org>]

commit bfac98df61105d6453140b248ea4c46c3c152036
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sun May 9 19:47:00 2021 +0500

    stylesheet: Fix GtkActionBar spacing
    
    Fixes https://gitlab.gnome.org/GNOME/libadwaita/-/issues/163

 src/stylesheet/widgets/_toolbars.scss | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/src/stylesheet/widgets/_toolbars.scss b/src/stylesheet/widgets/_toolbars.scss
index a4bc8c5..92423c4 100644
--- a/src/stylesheet/widgets/_toolbars.scss
+++ b/src/stylesheet/widgets/_toolbars.scss
@@ -53,8 +53,11 @@ searchbar > revealer > box {
 
 actionbar > revealer > box {
   padding: 6px;
-  border-spacing: 6px;
   border-top: 1px solid $borders_color;
+
+  &, > box.start, > box.end {
+    border-spacing: 6px;
+  }
 }
 
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