Avoid hard-coded access level index

app/assets/javascripts/protected_tags/index.js

@@ -10,3 +10,5 @@ export const LEVEL_TYPES = {
   USER: 'user',
   GROUP: 'group',
 };
+
+export const ACCESS_LEVEL_NONE = 0;

app/assets/javascripts/protected_tags/protected_tag_access_dropdown.js

 /* eslint-disable no-param-reassign, no-underscore-dangle, class-methods-use-this */
 /* global Flash */
 
-import { ACCESS_LEVELS, LEVEL_TYPES } from './';
+import { ACCESS_LEVELS, LEVEL_TYPES, ACCESS_LEVEL_NONE } from './';
 
 export default class ProtectedTagAccessDropdown {
   constructor(options) {
@@ -26,7 +26,7 @@ export default class ProtectedTagAccessDropdown {
 
     if (ACCESS_LEVELS.CREATE === this.accessLevel) {
       this.isAllowedToCreateDropdown = true;
-      this.noOneObj = this.accessLevelsData[2];
+      this.noOneObj = this.accessLevelsData.find(level => level.id === ACCESS_LEVEL_NONE);
     }
 
     this.initDropdown();