fix: server-generated ID for base ID field is overriden on the client

packages/ui/src/forms/Form/fieldReducer.ts

@@ -114,7 +114,7 @@ export function fieldReducer(state: FormState, action: FieldAction): FormState {
       const withNewRow = [...(state[path]?.rows || [])]
 
       const newRow: Row = {
-        id: new ObjectId().toHexString(),
+        id: (subFieldState?.id.value as string) || new ObjectId().toHexString(),
         blockType: blockType || undefined,
         collapsed: false,
       }