Issue #2994909 by bnjmnm, tedbow, kostyashupenko, tim.plunkett, lauriii,...

Issue #2994909 by bnjmnm, tedbow, kostyashupenko, tim.plunkett, lauriii, samuel.mortenson, Kristen Pol, xjm, andrewmacpherson, alwaysworking, DyanneNova, jrockowitz, worldlinemine, phenaproxima, ckrina, benjifisher, rainbreaw, webchick: Highlight active element while working with dialogs in Layout Builder

(cherry picked from commit 40d6aca4)