fix(piece) : include structure in composant edit PATCH payload for quantity persistence

app/composables/useComponentEdit.ts

@@ -299,6 +299,10 @@ export function useComponentEdit(componentId: string) {
       payload.prix = null
     }
 
+    if (component.value.structure) {
+      payload.structure = component.value.structure
+    }
+
     saving.value = true
     try {
       const result = await updateComposant(component.value.id, payload)