$link-decoration: underline affects some components (#30262)

Co-authored-by: Shohei Yoshida <fellows3@gmail.com>
Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

scss/_pagination.scss

@@ -7,6 +7,7 @@
   position: relative;
   display: block;
   color: $pagination-color;
+  text-decoration: if($link-decoration == none, null, none);
   background-color: $pagination-bg;
   border: $pagination-border-width solid $pagination-border-color;