Chore/modified card (#201)

* chore: fix upload file

* modified course object

---------

Co-authored-by: carlex <ricardogugliermino@gmail.com>

Author: carlex74

src/components/ui/CoursePreviewCard/CoursePreviewCard.tsx

@@ -78,8 +78,8 @@ const CoursePreviewCard = React.forwardRef<
 
     const displayAmountUnits = course?.unitsCount ?? course?.units?.length ?? 0;
 
-    const instructorName = course?.professor?.user 
-      ? `${course.professor.user.name} ${course.professor.user.surname}`
+    const instructorName = course?.professor 
+      ? `${course.professor.name} ${course.professor.surname}`
       : 'Instructor no disponible';
 
     return (