Tweak frames for the form editor

src/plugins/qmldesigner/components/formeditor/formeditorgraphicsview.cpp

@@ -116,8 +116,8 @@ void FormEditorGraphicsView::drawBackground(QPainter *painter, const QRectF &rec
     painter->setBrushOrigin(0, 0);
     painter->fillRect(rect.intersected(sceneRect()), backgroundBrush());
     // paint rect around editable area
-    painter->setPen(Qt::darkGray);
-    QRectF frameRect = sceneRect().adjusted(-1, -1, 0, 0);
+    painter->setPen(Qt::black);
+    QRectF frameRect = sceneRect().adjusted(0, 0, 0, 0);
     painter->drawRect(frameRect);
     painter->restore();
 }

src/plugins/qmldesigner/components/formeditor/formeditoritem.cpp

@@ -254,7 +254,8 @@ void FormEditorItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *,
 
     painter->setRenderHint(QPainter::Antialiasing, false);
 
-    paintBoundingRect(painter);
+    if (!qmlItemNode().isRootModelNode())
+        paintBoundingRect(painter);
 
     painter->restore();
 }