Editor: Fix minor bugs. (#31050)

editor/js/Menubar.View.js

@@ -84,6 +84,16 @@ function MenubarView( editor ) {
 
 	options.add( option );
 
+	// new helpers are visible by default, the global visibility state
+	// of helpers is managed in this component. every time a helper is added,
+	// we request a viewport updated by firing the showHelpersChanged signal.
+
+	signals.helperAdded.add( function () {
+
+		signals.showHelpersChanged.dispatch( states );
+
+	} );
+
 	//
 
 	options.add( new UIHorizontalRule() );

editor/js/Viewport.Info.js

@@ -33,6 +33,7 @@ function ViewportInfo( editor ) {
 
 	signals.objectAdded.add( update );
 	signals.objectRemoved.add( update );
+	signals.objectChanged.add( update );
 	signals.geometryChanged.add( update );
 	signals.sceneRendered.add( updateFrametime );