test: 감사 로그(Audit Logs) 페이지 E2E 테스트 추가 (#919)

- AuditLogsPage 내부 검색(search, action, status)에 `data-testid` 추가

- Playwright 테스트(`audit.spec.ts`) 작성하여 목록 로드, 필터 동작 확인

adminfront/src/features/audit/AuditLogsPage.tsx

@@ -152,6 +152,7 @@ function AuditLogsPage() {
                   <Search className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
                   <Input
                     className="pl-10"
+                    data-testid="audit-search-user-id"
                     value={searchActorId}
                     onChange={(event) => setSearchActorId(event.target.value)}
                     placeholder={t(
@@ -161,6 +162,7 @@ function AuditLogsPage() {
                   />
                 </div>
                 <Input
+                  data-testid="audit-search-action"
                   value={searchAction}
                   onChange={(event) =>
                     setSearchAction(event.target.value.toUpperCase())
@@ -171,6 +173,7 @@ function AuditLogsPage() {
                   )}
                 />
                 <select
+                  data-testid="audit-filter-status"
                   className="h-10 rounded-md border border-input bg-background px-3 text-sm"
                   value={statusFilter}
                   onChange={(event) => setStatusFilter(event.target.value)}