Window component. Error: Can't resolve '@nebular/theme/components/window/window.options'

### Issue type

**I'm submitting a ...** (check one with "x")

* [ x] bug report
* [ ] feature request

### Issue description

**Current behavior:**

Just stuck on WindowComponent Context, I am not able to get the context data to another component.
Using

@Inject(NB_WINDOW_CONTEXT) context

returns error of
Module not found: Error: Can't resolve '@nebular/theme/components/window/window.options'
**Expected behavior:**

**Steps to reproduce:**

**Related code:**

```
insert short code snippets here
```

### Other information:

**npm, node, OS, Browser**
```

```

**Angular, Nebular**
```

```