공통 테이블 헤더 배경 토큰 적용

adminfront/src/features/tenants/routes/TenantListPage.tsx

@@ -39,6 +39,7 @@ import {
   toggleSort,
 } from "../../../../../common/core/utils";
 import {
+  commonStickyTableHeaderClass,
   commonTableShellClass,
   commonTableViewportClass,
 } from "../../../../../common/ui/table";
@@ -942,7 +943,7 @@ function TenantListPage() {
 
           <div className="max-h-[60vh] overflow-auto rounded-md border">
             <Table>
-              <TableHeader className="sticky top-0 bg-secondary">
+              <TableHeader className={commonStickyTableHeaderClass}>
                 <TableRow>
                   <TableHead className="w-[72px]">
                     {t("ui.common.row", "행")}