[libadwaita/wip/exalm/message-dialog-fix] stylesheet: Fix message dialog action area

[Alexander Mikhaylenko <alexm src gnome org>]

commit f8b8730499d1b7ef4528425c022d5df67260fa32
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Jun 23 14:27:17 2021 +0500

    stylesheet: Fix message dialog action area
    
    Override margin and spacing back to 0.
    
    See 2a28bce7161c0fe70a205b5444202aca52cb1f15

 src/stylesheet/widgets/_message-dialog.scss | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/stylesheet/widgets/_message-dialog.scss b/src/stylesheet/widgets/_message-dialog.scss
index 1924e388..133c64b2 100644
--- a/src/stylesheet/widgets/_message-dialog.scss
+++ b/src/stylesheet/widgets/_message-dialog.scss
@@ -25,6 +25,8 @@ window.dialog.message {
 
     .dialog-action-area {
       border-top: 1px solid $borders_color;
+      margin: 0;
+      border-spacing: 0;
 
       > button {
         @extend %button_basic_flat;