CKEditor not working

### Issue type

* [x] bug report
* [ ] feature request
* [ ] question about the decisions made in the repository

### Issue description

**Current behavior:**

The `ckeditor` component throws an error : `TypeError: 'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them` coming from ckeditor.js file.
The same issue is happening in the demo provided in the README file.

**Expected behavior:**

CKEditor should be instancied and working without any error.

**Steps to reproduce:**

Start the application, and go to the menu Editors > CKEditor

### Other information:

**npm, node, OS, Browser**
```
node: v16.10.0
npm: 7.24.0
OS: Windows 10
Browser: Chrome
```

**Angular, Nebular**
```
Angular: 14.2.12
Nebular: 10.0.0
```