Enable custom icons to be self contained with exports

Prerequisites • I have searched for similar features requests in both open and closed tickets and cannot find a duplicate. • The feature is still missing in the latest stable version of Elementor ( Elementor Pro ) What problem is your feature request going to solve? Please describe. Custom icon fonts won't get carried over on another environment which doesn't have the icon set installed. I know this is obvious why but why solve this if we don't like the font awesome icon collection and want to share sections with others? As an exampleiI know from music production software there is an option to collect and contain sounds if you are sharing your project with someone who doesn't have the same sounds on his machine which makes sharing really great. Describe the solution you'd like It would be nice if devs would find a way how to self contain custom fonts within the json file so we don't have to force users to install anything on their end.…