Add the ability to include responsive controls as fields of a Repeater control

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.. Let me preface this by saying that I'm pretty confident that this is not an existing feature, but if it is, I would love to be proven wrong and educated. I'm currently developing a custom widget for Elementor, which is essentially a clients / logo showcase block. I have already applied CSS styles that make the logos look good, but sometimes the logos vary vastly in heights and widths, so the design looks extra crisp if I can change the widths of some specific logos. Therefore, I need to allow users to set different widths for logos depending on the device/breakpoints (Desktop, Tablet, Mobile). The challenge is that these logos are part of a Re…