Vereinheitliche Empty States in Tabellen

frontend/pages/export/create/sepa.vue

@@ -35,13 +35,14 @@ const createExport = async () => {
     </template>
   </UDashboardNavbar>
   <UTable
-      v-if="createddocuments.length > 0"
       :loading="true"
       v-model="selected"
       :loading-state="{ icon: 'i-heroicons-arrow-path-20-solid', label: 'Loading...' }"
-      :data="createddocuments" />
+      :data="createddocuments"
+      :empty="{ icon: 'i-heroicons-circle-stack-20-solid', label: 'Keine SEPA-Belege anzuzeigen' }"
+  />
 </template>
 
 <style scoped>
 
-</style>
+</style>