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/vite.config.ts

@@ -19,9 +19,13 @@ export default defineConfig(({ command, mode }) => {
 
   const isBuildCommand = command === 'build';
 
+  const tsConfigPath = isBuildCommand
+    ? path.resolve(__dirname, './tsconfig.build.json')
+    : path.resolve(__dirname, './tsconfig.dev.json');
+
   const checkers: Checkers = {
     typescript: {
-      tsconfigPath: path.resolve(__dirname, './tsconfig.app.json'),
+      tsconfigPath: tsConfigPath,
     },
     overlay: false,
   };