added typechecking for all ts files (#6466)

Fixes: #6436 

Changes made: 

- Added typecheck step before twenty-ui build to check stories TS errors
- Added a tsconfig.dev.json to add stories and tests to typecheking when
in dev mode
- Added tsconfig.dev.json to storybook dev command of twenty-ui to
typecheck stories while developing
- Fixed twenty-ui stories that were broken

- Added a serve command to serve front build
- Fixed unit test from another PR

---------

Co-authored-by: Félix Malfait <felix.malfait@gmail.com>
Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-front/project.json

@@ -10,6 +10,12 @@
         "outputPath": "{projectRoot}/build"
       }
     },
+    "serve": {
+      "executor": "nx:run-commands",
+      "options": {
+        "command": "npx serve -s {projectRoot}/build"
+      }
+    },
     "start": {
       "executor": "@nx/vite:dev-server",
       "options": {