refactor: use de gruyter ci

frontend/static/degruyter-icons/Simple/Small-16px/SVG/Action/Account-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/Account-SM</title>
+    <g id="🧩-Icons/Simple/Action/16px/Account-SM" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <path d="M8,0 C10.209139,0 12,1.78256155 12,3.98146266 C12,4.62598184 11.8461413,5.23473192 11.5729882,5.77330868 L16,11.944388 C15.3913301,12.7774305 14.6551029,13.5102458 13.8181818,14.1160949 C9.47880164,17.2573822 3.43367959,16.3755855 0.174958074,12.1767034 L0,11.944388 L4.42751623,5.7743029 C4.15404816,5.23548113 4,4.62637847 4,3.98146266 C4,1.78256155 5.790861,0 8,0 Z M8,7.96292533 C7.18276637,7.96292533 6.42277429,7.71898089 5.7895115,7.30025774 L2.541,11.8269348 L2.65896622,11.9383617 C5.30568018,14.3644506 9.35488082,14.7291968 12.4242931,12.6581948 L12.6418384,12.5061186 C12.8326124,12.3680169 13.0168285,12.2216461 13.1939866,12.0675039 L13.457,11.8269348 L10.2104885,7.30025774 C9.57722571,7.71898089 8.81723363,7.96292533 8,7.96292533 Z M8,1.74188992 C6.75735931,1.74188992 5.75,2.74458079 5.75,3.98146266 C5.75,5.21834454 6.75735931,6.22103541 8,6.22103541 C9.24264069,6.22103541 10.25,5.21834454 10.25,3.98146266 C10.25,2.74458079 9.24264069,1.74188992 8,1.74188992 Z" id="Primary" fill="#000000"></path>
+    </g>
+</svg>