fix: update student reference in internship tables to match data structure

frontend/app/pages/dashboard/admin/internships/index.vue

@@ -49,7 +49,7 @@ const { data, error } = await useSanctumFetch<Internship[]>('/api/internships');
                 <tbody>
                     <tr v-for="item in data">
                         <td>{{ item.company.name }}</td>
-                        <td>{{ item.user!.name }}</td>
+                        <td>{{ item.student.name }}</td>
                         <td>{{ item.start }}</td>
                         <td>{{ item.end }}</td>
                         <td>{{ item.year_of_study }}</td>

frontend/app/pages/dashboard/company/internships/edit/[id].vue

@@ -21,7 +21,7 @@ const loading = ref(false);
 const action_error = ref(null as null | string);
 const refreshKey = ref(0);
 
-const { data, refresh } = await useSanctumFetch<Internship>(`/api/internships/${route.params.id}`);
+const { data, error: load_error, refresh } = await useSanctumFetch<Internship>(`/api/internships/${route.params.id}`);
 
 async function handleUpdateOfBasicInfo(internship: NewInternship) {
     action_error.value = null;
@@ -53,11 +53,15 @@ async function handleUpdateOfBasicInfo(internship: NewInternship) {
             <div style="height: 40px;"></div>
 
             <!-- Čakajúca hláška -->
-            <LoadingAlert />
+            <LoadingAlert v-if="loading" />
 
             <!-- Chybová hláška -->
             <ErrorAlert v-if="action_error" :error="action_error" />
 
+            <!-- Chybová hláška -->
+            <ErrorAlert v-if="load_error" :error="load_error.message" />
+
+            <div v-else>
                 <div>
                     <h2>Základné informácie</h2>
                     <ErrorAlert v-if="data?.status.status !== InternshipStatus.SUBMITTED" title="Blokované"
@@ -82,7 +86,8 @@ async function handleUpdateOfBasicInfo(internship: NewInternship) {
                     <br />
 
                     <h4>Zmena stavu</h4>
-                <InternshipStatusEditor :internship="data!" @successful-submit="() => { refresh(); refreshKey++; }" />
+                    <InternshipStatusEditor :internship="data!"
+                        @successful-submit="() => { refresh(); refreshKey++; }" />
                 </div>
 
                 <hr />
@@ -95,6 +100,7 @@ async function handleUpdateOfBasicInfo(internship: NewInternship) {
 
                     <InternshipDocumentEditor v-else :internship="data!" @successful-submit="refresh" />
                 </div>
+            </div>
         </v-card>
     </v-container>
 </template>

frontend/app/pages/dashboard/company/internships/index.vue

@@ -47,7 +47,7 @@ const { data, error } = await useSanctumFetch<Internship[]>('/api/internships/my
                 </thead>
                 <tbody>
                     <tr v-for="item in data">
-                        <td>{{ item.user!.name }}</td>
+                        <td>{{ item.student.name }}</td>
                         <td>{{ item.start }}</td>
                         <td>{{ item.end }}</td>
                         <td>{{ item.year_of_study }}</td>