1750 extensibility twenty sdk v2 use twenty sdk to define an object (#15230)

We maintain jsonc object definition but will deprecate them pretty soon

## Before
<img width="1512" height="575" alt="image"
src="https://github.com/user-attachments/assets/d2fa6ca4-c456-4aa9-a1e3-845b61839718"
/>

## After
<img width="1260" height="555" alt="image"
src="https://github.com/user-attachments/assets/ba72f4cf-d443-4967-913c-029bc71f3f48"
/>

packages/twenty-cli/jest.config.mjs

@@ -30,7 +30,7 @@ const jestConfig = {
   ],
   coverageThreshold: {
     global: {
-      statements: 2,
+      statements: 1,
       lines: 1,
       functions: 1,
     },