feat(test-scripts): add registration attempt to TypeScript DID generator

- Added registration attempt to TypeScript DID generator to match Python version
- Added node-fetch and types for HTTP request
- Both scripts now show same UNREGISTERED_USER error from server
- Cleaned up package.json devDependencies formatting

package.json

@@ -105,10 +105,12 @@
   },
   "devDependencies": {
     "@playwright/test": "^1.45.2",
+    "@types/dom-webcodecs": "^0.1.7",
     "@types/js-yaml": "^4.0.9",
     "@types/leaflet": "^1.9.8",
     "@types/luxon": "^3.4.2",
     "@types/node": "^20.14.11",
+    "@types/node-fetch": "^2.6.12",
     "@types/ramda": "^0.29.11",
     "@types/three": "^0.155.1",
     "@types/ua-parser-js": "^0.7.39",