[Refactor] Don't assign local variable on `if` statement
[Refactor] Don't assign local variable on `if` statement

To make readable and suppress the following warning:
```
warning: mismatched indentations at 'end' with 'if' at 72
```

emberjs/ember-rails,maschwenk/ember-rails,maschwenk/ember-rails,emberjs/ember-rails,emberjs/ember-rails,maschwenk/ember-rails