refactor: removed the cloneObject function and replaced it with Objec…

[vonlooten]

What solves this PR?

Bonjour, this is my first PR in this repository. The PR removes the cloneObject from the helper.js file, because it can be done in a more simple and native way in JS.

const clone = Object.assign({},object); 

will return a cloned object.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#cloning_an_object