[libadwaita/wip/exalm/spinbutton] stylesheet: Fix spinbuttons inside toolbars

[Alexander Mikhaylenko <alexm src gnome org>]

commit e425ccbee4cc2867030331a9992c638b11a04bc6
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Sep 14 23:52:20 2022 +0400

    stylesheet: Fix spinbuttons inside toolbars

 src/stylesheet/widgets/_spin-button.scss | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/stylesheet/widgets/_spin-button.scss b/src/stylesheet/widgets/_spin-button.scss
index 9c275e63..78d4fdc6 100644
--- a/src/stylesheet/widgets/_spin-button.scss
+++ b/src/stylesheet/widgets/_spin-button.scss
@@ -30,6 +30,7 @@ spinbutton {
       min-width: 22px;
       padding-bottom: 0;
       padding-top: 0;
+      margin: 0;
       border-left-width: 1px;
 
       &:dir(rtl) {