160341-172821- 二重記述の修正、リンクアイコンの実装修正

apps/app/src/client/components/PageEditor/EditorGuideModal/contents/TextStyleTab.tsx

@@ -5,28 +5,17 @@ import { useTranslation } from 'react-i18next';
 
 export const ExternalLinkIcon = () => {
   return (
-    <svg
-      xmlns="http://www.w3.org/2000/svg"
-      width="16"
-      height="16"
-      viewBox="0 0 24 24"
-      fill="none"
-      stroke="#ABB2BF"
-      strokeWidth="2"
-      strokeLinecap="round"
-      strokeLinejoin="round"
+    <span
+      className="material-symbols-outlined"
       style={{
-        flex: 'none',
-        order: 1,
-        flexGrow: 0,
+        fontSize: '16px',
+        color: '#ABB2BF',
         verticalAlign: 'middle',
         marginLeft: '4px',
       }}
     >
-      <path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path>
-      <polyline points="15 3 21 3 21 9"></polyline>
-      <line x1="10" y1="14" x2="21" y2="3"></line>
-    </svg>
+      open_in_new
+    </span>
   );
 };