fix spacing on notif group additional content

mastodon/mastodon4.user.css

@@ -1,7 +1,7 @@
 /* ==UserStyle==
 @name           xenua's mastodon 4 frontend tweaks
 @namespace      git.xenua.me/xenua
-@version        1.1.4
+@version        1.1.5
 @description    makes the mastodon *advanced* webinterface more compact and pleasant to look at
 @author         xenua
 @license        CNPLv7+
@@ -273,7 +273,8 @@
         margin-left: 48px;
     }
 
-    .notification-group__main__header__label {
+    .notification-group__main__header__label,
+    .notification-group__main__additional-content {
         padding: 0 8px;
     }