Element Manager: Report plugins with no widgets used on website

Prerequisites • I have searched for similar feature requests in both open and closed discussions and cannot find an existing request. • I have verified that the feature is still missing from the latest stable versions of Elementor or Elementor Pro. What problem is your feature request going to solve? Please describe.. Show installed plugins which provide Elementor widgets not used at all on the website. That's no widget provided by that plugin it's being used. Describe the solution you'd like. After clicking on the "Scan Elements Usage" button on the "Element Manager" page if there's any plugin with 100% of it's widgets not being used on the website Elementor show show a text block saying something like "You're not using any of the widgets of these plugins: .... ". Describe alternatives you've considered. _No response_ Additional context _No response_ Agreement • I agree that my request may b…