refactor: 💡 Refactor ldap account view and serializer (#1826)

* refactor: 💡 Refactor ldap account view and serializer

Refactor LDAP account view to only show `InfoField` fields if values are
not `undefined`.  Also fixed bug for updating accounts.

✅ Closes: ICU-10514

* refactor: 💡 clean up code

Quick cleanup of code for accounts

* Update account.js

change text for commit

* Update index.hbs

* refactor: 💡 format hbs

format hbs

addons/api/addon/generated/models/account.js

@@ -13,13 +13,11 @@ export default class GeneratedAccountModel extends BaseModel {
   // =attributes
 
   @attr('string', {
-    readOnly: true,
     description: 'The type of the resource, to help differentiate schemas',
   })
   type;
 
   @attr('string', {
-    readOnly: true,
     description: 'The owning auth method ID.',
   })
   auth_method_id;