bugs fix tampil data diagnosis

frontend/dashboard/src/pages/ClaimRequests/Detail.tsx

@@ -191,14 +191,15 @@ export default function Detail() {
                         <Stack direction='row' spacing={2} sx={marginBottom1}>
                             <Typography variant='subtitle2' sx={style3} gutterBottom>Diagnosis</Typography>
                             <Typography variant='subtitle2' sx={style2} gutterBottom>
-                                {claimRequests?.diagnosis?.length > 0 ? (
+                                {claimRequests?.diagnosis ? claimRequests?.diagnosis.length > 0 ? (
                                     <ul>
                                         {claimRequests?.diagnosis.map((diagnosisItem, index) => (
                                             <li key={index}>{diagnosisItem.code} - {diagnosisItem.name}</li>
                                             // Replace 'name' with the property you want to display
                                         ))}
                                     </ul>
-                                ) : (
+                                ) : null 
+                                : (
                                     <p>No diagnosis available.</p>
                                 )}
                             </Typography>