refactor: use de gruyter ci

frontend/static/degruyter-icons/Simple/Small-16px/SVG/Action/Microphone-SM.svg

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="16px" height="16px" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <title>🧩 Icons/Simple/Action/16px/Microphone-SM</title>
+    <g id="🧩-Icons/Simple/Action/16px/Microphone-SM" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <path d="M5,16 L5,14 L7,14 L7.00019152,11.9170737 C4.16238395,11.4410745 2,8.97306317 2,6 L4,6 C4,8.209139 5.790861,10 8,10 C10.1421954,10 11.8910789,8.31603153 11.9951047,6.19964034 L12,6 L14,6 C14,8.97271451 11.8381232,11.4404956 9.00080686,11.9169061 L9,14 L11,14 L11,16 L5,16 Z M8,0 C9.1045695,-2.02906125e-16 10,0.8954305 10,2 L10,6 C10,7.1045695 9.1045695,8 8,8 C6.8954305,8 6,7.1045695 6,6 L6,2 C6,0.8954305 6.8954305,2.02906125e-16 8,0 Z" id="Primary" fill="#000000"></path>
+    </g>
+</svg>