Option to remove whitespace in ckeditor widget

Hi there,

It would be nice that we could have different options to print the icons

Actual:
<span class="fontawesome-icon-inline"><i class="fa-facebook-messenger fa-lg fab"></i>&nbsp;</span>

Option 1 without whitespace:
<span class="fontawesome-icon-inline"><i class="fa-facebook-messenger fa-lg fab"></i></span>

Option 2 without whitespace, without container:
<i class="fa-facebook-messenger fa-lg fab"></i>

The whitespace is impossible to remove with CSS, and makes the centered alignment of one single icon impossible. Also the container might not always be used, this just adds some unused HTML tags.

I'm a noob in module development, though I figured out the changes are to be done in fontawesome/js/plugins/drupalfontawesome/plugin.js

//if not option 2
     var container = new CKEDITOR.dom.element('span', execEditor.document);
     container.addClass('fontawesome-icon-inline');
     container.append(icon);
     //if not option 0
          container.appendHtml(' ');

//if option 2
     range.insertNode(icon);
//else
     range.insertNode(container);

I have no clue how to add options into the modal or options to the module to have it by default.

Another easier solution, but maybe less clean would be to have something like this:
<span class="fontawesome-icon-inline"><i class="fa-facebook-messenger fa-lg fab"></i><span class="fontawesome-space">&nbsp;</span></span>

This is easy to disable via CSS, but adds more HTML tags...