하위 테넌트 테이블 쉘을 common/ui/table 기준으로 정리

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

@@ -18,6 +18,11 @@ import {
   TableHeader,
   TableRow,
 } from "../../../components/ui/table";
+import {
+  commonStickyTableHeaderClass,
+  commonTableShellClass,
+  commonTableViewportClass,
+} from "../../../../../common/ui/table";
 import { fetchAllTenants } from "../../../lib/adminApi";
 import { t } from "../../../lib/i18n";
 
@@ -58,10 +63,10 @@ function TenantSubTenantsPage() {
         </Button>
       </CardHeader>
       <CardContent className="flex-1 flex flex-col min-h-0 pt-0">
-        <div className="flex-1 rounded-md border overflow-hidden flex flex-col">
-          <div className="flex-1 overflow-auto relative custom-scrollbar">
+        <div className={commonTableShellClass}>
+          <div className={commonTableViewportClass}>
             <Table>
-              <TableHeader className="sticky top-0 z-10 bg-secondary shadow-sm">
+              <TableHeader className={commonStickyTableHeaderClass}>
                 <TableRow>
                   <TableHead>
                     {t("ui.admin.tenants.sub.table.name", "NAME")}