Inspector doesn't work properly with classic ES5 decorator syntax

ES6 syntax:

``` js
function decorator() {}
@decorator
export default class Component {}
```

ES5 syntax:

``` js
function decorator() {}
class Component {}
export default decorator(Component);
```

Result of using classic decorator syntax:

![Alt text](https://monosnap.com/file/6Mhv59lJwOE9PaRGnta7c6MqjPyJ8x.png)
