공통 테이블 헤더 배경 토큰 적용

devfront/src/features/developer-request/DeveloperRequestPage.tsx

@@ -28,6 +28,7 @@ import {
   TableRow,
 } from "../../components/ui/table";
 import {
+  commonStickyTableHeaderClass,
   commonTableShellClass,
   commonTableViewportClass,
 } from "../../../../common/ui/table";
@@ -192,7 +193,7 @@ export default function DeveloperRequestPage() {
           <div className={commonTableShellClass}>
             <div className={commonTableViewportClass}>
               <Table>
-                <TableHeader className="sticky top-0 z-10 bg-secondary shadow-sm">
+                <TableHeader className={commonStickyTableHeaderClass}>
                   <TableRow>
                     {isSuperAdmin && (
                       <TableHead>