PopupControl doesn't have public setScene so it doesn't possible to create it the same way as the stage is created.
final PopupControl presentationsPopup = PopupControlBuilder.create()
.id("popup")
.scen(SceneBuilder.create().build())
.autoFix(true)
.build();
final PopupControl presentationsPopup = PopupControlBuilder.create()
.id("popup")
.scen(SceneBuilder.create().build())
.autoFix(true)
.build();