Fix quick links button styles

What does this MR do?

Fix quick links button styles.

Before	After

What are the relevant issue numbers?

Fix #52063 (closed) #52220 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.

app/assets/stylesheets/framework/secondary_navigation_elements.scss

 // For tabbed navigation links, scrolling tabs, etc. For all top/main navigation,
 // please check nav.scss
-.nav-links {
+.nav-links:not(.quick-links) {
   display: flex;
   padding: 0;
   margin: 0;
@@ -106,7 +106,7 @@
     display: inline-block;
     float: right;
     text-align: right;
-    padding: 11px 0;
+    padding: $gl-padding-8 0;
     margin-bottom: 0;
 
     > .btn,