Before: broken on forms, missing border right, no fullWidth, not properly saved <img width="220" height="160" alt="Capture d’écran 2026-03-31 à 17 10 47" src="https://github.com/user-attachments/assets/4143fcb7-909f-42a3-b05e-39185395f657" /> <img width="231" height="102" alt="Capture d’écran 2026-03-31 à 17 11 05" src="https://github.com/user-attachments/assets/3989f6b8-ef8a-42a3-9ccc-35a9be1fb67f" /> <img width="230" height="75" alt="Capture d’écran 2026-03-31 à 17 12 15" src="https://github.com/user-attachments/assets/67f5f93f-887f-4e3b-95c2-f5076f41fb21" /> After: save and validate on edition, fix design <img width="231" height="132" alt="Capture d’écran 2026-03-31 à 17 15 08" src="https://github.com/user-attachments/assets/d1aa0a64-499d-479d-8d5c-e5e104ad6464" /> <img width="231" height="75" alt="Capture d’écran 2026-03-31 à 17 15 33" src="https://github.com/user-attachments/assets/8d668713-8466-4e81-8901-4b12b9271244" /> <img width="461" height="156" alt="Capture d’écran 2026-03-31 à 17 14 54" src="https://github.com/user-attachments/assets/f9d33242-f1cc-48f7-9f63-322799e1f9b8" /> Simplifying FormDateInput using the existing DatePicker