fix: public url under admin groups list

Author: progmatic-99

app/models/group.js

@@ -5,11 +5,9 @@ import { computed } from '@ember/object';
 import { inject as service } from '@ember/service';
 
 export default class Group extends ModelBase.extend({
-
   router   : service(),
   fastboot : service(),
 
-
   name          : attr('string'),
   about         : attr('string'),
   logoUrl       : attr('string'),
@@ -29,8 +27,9 @@ export default class Group extends ModelBase.extend({
   followers     : hasMany('user-follow-group'),
 
   url: computed('identifier', function() {
-    const origin = this.fastboot.isFastBoot ? `${this.fastboot.request.protocol}//${this.fastboot.request.host}` : location.origin;
-    return origin + this.router.urlFor('groups.edit.events', this.id);
+    const origin = this.fastboot.isFastBoot
+      ? `${this.fastboot.request.protocol}//${this.fastboot.request.host}`
+      : location.origin;
+    return origin + `/g/${this.id}`;
   })
 }) {}
-