fix(custom-fields) : fix declaration order in useComponentEdit and useComponentCreate

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/app/composables/useComponentCreate.ts

@@ -93,18 +93,6 @@ export function useComponentCreate() {
   const lastSuggestedName = ref('')
   const createdComponentId = ref<string | null>(null)
 
-  const {
-    fields: customFieldInputs,
-    requiredFilled: requiredCustomFieldsFilled,
-    saveAll: saveAllCustomFields,
-    refresh: refreshCustomFieldInputs,
-  } = useCustomFieldInputs({
-    definitions: computed(() => selectedTypeStructure.value?.customFields ?? []),
-    values: computed(() => []),
-    entityType: 'composant',
-    entityId: createdComponentId,
-  })
-
   const structureAssignments = ref<StructureAssignmentNode | null>(null)
   const selectedDocuments = ref<File[]>([])
   const uploadingDocuments = ref(false)
@@ -154,6 +142,18 @@ export function useComponentCreate() {
     return structure ? normalizeStructureForEditor(structure) : null
   })
 
+  const {
+    fields: customFieldInputs,
+    requiredFilled: requiredCustomFieldsFilled,
+    saveAll: saveAllCustomFields,
+    refresh: refreshCustomFieldInputs,
+  } = useCustomFieldInputs({
+    definitions: computed(() => selectedTypeStructure.value?.customFields ?? []),
+    values: computed(() => []),
+    entityType: 'composant',
+    entityId: createdComponentId,
+  })
+
   const structureHasRequirements = computed(() =>
     hasAssignments(structureAssignments.value),
   )