♻️ Fix format (#2020)

Author: KATO-Hiro

src/lib/utils/workbooks.ts

@@ -1,7 +1,8 @@
 import { Roles } from '$lib/types/user';
-import { isAdmin } from '$lib/utils/authorship';
 import { type WorkbookList } from '$lib/types/workbook';
 
+import { isAdmin } from '$lib/utils/authorship';
+
 // 管理者 + ユーザ向けに公開されている場合
 export function canViewWorkBook(role: Roles, isPublished: boolean) {
   return isAdmin(role) || isPublished;