fix: selected course

resources/js/pages/mahasiswa-chat.tsx

@@ -667,7 +667,9 @@ export default function MahasiswaChat({ sessionId }: MahasiswaChatProps) {
         ChatMessageResponse[]
     >([]);
     const [question, setQuestion] = useState('');
-    const [selectedCourseId, setSelectedCourseId] = useState('');
+    const [selectedCourseId, setSelectedCourseId] = useState(
+        initialQuestionRef.current?.courseId ?? '',
+    );
     const studentName = useStoredStudentName();
     const messagesEndRef = useRef<HTMLDivElement>(null);