Tool widget position fixed.

src/board/UBBoardController.cpp

@@ -2048,7 +2048,7 @@ void UBBoardController::moveGraphicsWidgetToControlView(UBGraphicsWidgetItem* gr
     mActiveScene->addItem(toolWidget);
     qreal ssf = 1 / UBApplication::boardController->systemScaleFactor();
 
-    toolWidget->scale(ssf, ssf);
+    toolWidget->setScale(ssf);
     toolWidget->setPos(graphicsWidget->scenePos());
 }
 

src/gui/UBToolWidget.cpp

@@ -134,7 +134,7 @@ void UBToolWidget::setPos(const QPointF &point)
 
 void UBToolWidget::setPos(qreal x, qreal y)
 {
-    QGraphicsItem::setPos((x - mContentMargin)*scale(), (y - mContentMargin)*scale());
+    QGraphicsItem::setPos(x - mContentMargin * scale(), y - mContentMargin * scale());
 }
 
 void UBToolWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)