Just use file ext to identify indexable files to fix Desktop app install

- Magika on Desktop app was too bloated (100Mb to 250Mb) and broke
  install for some reason. Not sure why it was causing the app install
  to fail but do not have time to currently investigate

- Just use file extensions whitelist it's good enough for now. Let
  server handle the deeper identification of file type

src/interface/desktop/package.json

@@ -19,7 +19,6 @@
     "@todesktop/runtime": "^1.3.0",
     "axios": "^1.6.4",
     "cron": "^2.4.3",
-    "electron-store": "^8.1.0",
-    "magika": "^0.2.13"
+    "electron-store": "^8.1.0"
   }
 }