fix: 工单执行按钮仅在审核通过(approved)状态显示，审核中不再显示执行按钮

frontend/src/pages/TicketsPage.tsx

@@ -475,7 +475,7 @@ export default function TicketsPage() {
                             </button>
                           )}
 
-                          {canExecute && ticket.is_executor && (ticket.status === 'approved' || ticket.status === 'reviewing') && (
+                          {canExecute && ticket.is_executor && ticket.status === 'approved' && (
                             <button
                               onClick={async () => {
                                 try {
@@ -660,7 +660,7 @@ function TicketDetailDialog({ ticket: initialTicket, onClose, canApprove, canExe
                 </button>
               </>
             )}
-            {canExecute && ticket.is_executor && (ticket.status === 'approved' || ticket.status === 'reviewing') && (
+            {canExecute && ticket.is_executor && ticket.status === 'approved' && (
               <button
                 onClick={handleExecute}
                 disabled={loading}