[5.x] Fix Add truncate class to flex container in LinkFieldtype (#11689)

Author: liucf

resources/js/components/fieldtypes/LinkFieldtype.vue

@@ -18,7 +18,7 @@
             </v-select>
         </div>
 
-        <div class="flex-1">
+        <div class="flex-1 truncate">
 
             <!-- URL text input -->
             <text-input v-if="option === 'url'" v-model="urlValue" />