Add avoid multiple off-canvas to off-canvas widget functionality.

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.. When multiple off canvas widgets will be used, for example one for menu and one for full screen search, it will be great if only one will stay in that scenario and there is many more possible scenarios(off canvas Tag cloud or product filters). Describe the solution you'd like. Just like in popup but on off-canvas widget too Describe alternatives you've considered. Not a one Additional context P.S. As addition I must point out bug when using two off canvas widgets. When both widgets are open and set to no scroll if you close one of them the scroll of second will appear again. I've tested to mix popup an offcanvas and the scenario doesn&…