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-ui/.storybook/main.ts

@@ -1,4 +1,6 @@
 import { StorybookConfig } from '@storybook/react-vite';
+import * as path from 'path';
+import checker from 'vite-plugin-checker';
 
 const config: StorybookConfig = {
   stories: ['../src/**/*.stories.@(js|jsx|ts|tsx|mdx)'],
@@ -16,6 +18,19 @@ const config: StorybookConfig = {
     name: '@storybook/react-vite',
     options: {},
   },
+  viteFinal: (config) => {
+    return {
+      ...config,
+      plugins: [
+        ...(config.plugins ?? []),
+        checker({
+          typescript: {
+            tsconfigPath: path.resolve(__dirname, '../tsconfig.dev.json'),
+          },
+        }),
+      ],
+    };
+  },
 };
 
 export default config;