Changed size of 'external link' icon

Author: dmytrotsko

themes/delphi/assets/css/layout/_header_footer.scss

@@ -236,7 +236,7 @@ ul.nestedmenu li.active > a {
 }
 
 div.external-link span > svg {
-  max-height: 13px !important;
+  max-height: 10px !important;
 }
 
 div.footer-links {