[6.x] Handle cancelled requests when generating slugs (#14211)

Author: duncanmcclean

resources/js/components/slugs/Slug.js

@@ -116,7 +116,6 @@ export default class Slug {
             .catch((e) => {
                 if (axios.isCancel(e)) {
                     aborted = true;
-                    return;
                 }
                 throw e;
             })

resources/js/components/slugs/Slugify.vue

@@ -89,7 +89,10 @@ export default {
                         this.slug = slug;
                         resolve(slug);
                     })
-                    .catch((error) => reject(error));
+                    .catch((error) => {
+                        if (error.name === 'CanceledError') return;
+                        reject(error);
+                    });
             });
         },
     },