* [x] **I have checked that this bug has not yet been reported by someone else** * [x] **I have checked that this bug appears on Chrome** * [x] **I have specified the version** : - 2023.10.4 * [x] **I have specified my environment** : - All ### Screenshots With react-flow: <img width="607" alt="Capture d’écran 2023-10-27 à 15 04 06" src="https://github.com/eclipse-sirius/sirius-web/assets/717752/5c412cb3-5c4c-4aec-8f8c-0741ee05a77e"> With former rendering library: <img width="396" alt="Capture d’écran 2023-10-27 à 15 05 51" src="https://github.com/eclipse-sirius/sirius-web/assets/717752/f95f670e-75c6-4a4d-8f4f-0e8e385ec79a"> ### Expected behavior compartments have same width than their parents ### Actual behavior compartments are smaller than their parents