refactor: use de gruyter ci

frontend/static/degruyter-icons/Simple/Large-32px/SVG/Action/Search-Page-LG.svg

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="32px" height="32px" viewBox="0 0 32 32" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <title>🧩 Icons/Simple/Action/32px/Search-Page-LG</title>
+    <g id="🧩-Icons/Simple/Action/32px/Search-Page-LG" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <path d="M22,2 L22,8 L20,8 L20,4 L4,4 L4,28 L16.75,28 L16.75,30 L2,30 L2,2 L22,2 Z M18,10 C22.418278,10 26,13.581722 26,18 C26,19.9104953 25.3303039,21.6645747 24.2128579,23.0402921 L25.0242439,23.6596946 L30,28.6354507 L28.6354507,30 L23.6596946,25.0242439 L23.0402921,24.2128579 C21.6645747,25.3303039 19.9104953,26 18,26 C13.581722,26 10,22.418278 10,18 C10,17.9469807 10.0005158,17.8940818 10.0015426,17.8413081 C9.96921238,15.8253228 10.7225111,13.7992075 12.2608593,12.2608593 C13.7992075,10.7225111 15.8253228,9.96921238 17.8413709,10.0009631 L18,10 Z M18,12 C14.6862915,12 12,14.6862915 12,18 C12,21.3137085 14.6862915,24 18,24 C21.3137085,24 24,21.3137085 24,18 C24,14.6862915 21.3137085,12 18,12 Z M9,11 L9,13 L6,13 L6,11 L9,11 Z M12,7 L12,9 L6,9 L6,7 L12,7 Z" id="Primary" fill="#000000"></path>
+    </g>
+</svg>