fix: use game iconUrl to show finish download notification

package.json

@@ -53,10 +53,10 @@
     "dexie": "^4.0.9",
     "electron-log": "^5.2.0",
     "electron-updater": "^6.3.9",
+    "file-type": "^19.6.0",
     "flexsearch": "^0.7.43",
     "i18next": "^23.11.2",
     "i18next-browser-languagedetector": "^7.2.1",
-    "icojs": "^0.19.4",
     "jsdom": "^24.0.0",
     "jsonwebtoken": "^9.0.2",
     "knex": "^3.1.0",