fix: [process-management] 공정 품목추가 검색 파라미터명 수정

src/components/process-management/actions.ts

@@ -509,7 +509,7 @@ export async function getItemList(params?: GetItemListParams): Promise<ItemOptio
   const result = await executeServerAction<ItemListResponse>({
     url: buildApiUrl('/api/v1/items', {
       size: params?.size || 1000,
-      q: params?.q,
+      search: params?.q,
       item_type: params?.itemType,
       exclude_process_id: params?.excludeProcessId,
     }),