Backend ticket https://github.com/workfloworchestrator/orchestrator-core/issues/1367 exists to make the form schema contain the key `"extraProperties"` alongside the current `"uniforms"` with the same content. This key will be present from orchestrator-core 4.8.0rc4 onwards. The pydantic forms UI library should try to use the new key if possible and fallback to the existing key otherwise. Will also need a follow-up ticket to remove support of uniforms in the future (backend ticket https://github.com/workfloworchestrator/orchestrator-core/issues/1416)