fix: 移除 placeholderData 配置以修复用户搜索时分页无法正常工作的问题 (#841)

src/app/[locale]/dashboard/users/users-page-client.tsx

@@ -161,7 +161,6 @@ function UsersPageContent({ currentUser }: UsersPageClientProps) {
     },
     getNextPageParam: (lastPage) => lastPage.nextCursor ?? undefined,
     initialPageParam: undefined as string | undefined,
-    placeholderData: (previousData) => previousData,
   });
 
   // Independent tag query - breaks circular dependency