feat(vscode-extension) error reporting, qol (#15261)

Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
Co-authored-by: Ashcon Partovi <ashcon@partovi.net>
Co-authored-by: Electroid <Electroid@users.noreply.github.com>
Co-authored-by: Meghan Denny <meghan@bun.sh>
Co-authored-by: Dylan Conway <dylan.conway567@gmail.com>

.vscode/settings.json

@@ -78,7 +78,7 @@
   "prettier.prettierPath": "./node_modules/prettier",
 
   // TypeScript
-  "typescript.tsdk": "${workspaceFolder}/node_modules/typescript/lib",
+  "typescript.tsdk": "node_modules/typescript/lib",
   "[typescript]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode",
   },