Highlight control if responsive values exist

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.. We need to see at first glance if controls have responsive values set. I can't believe no dev thought about something like this in all these years. It's very annoying when you have to work on an older project and you don't remember what you did there, so you have to check every widget in tablet/mobile mode to see if you have values set. Many builders have this, it's needed. Describe the solution you'd like. I managed to do this with a script, but it's hard since Elementor doesn't add any classes to the control if it contains responsive values, so I had to find the tablet/mobile divs of the same control, then look for va…