fixed problem with widgets drop down list

src/board/UBBoardView.cpp

@@ -599,6 +599,9 @@ Here we determines cases when items should to get mouse press event at pressing
     case QGraphicsWebView::Type:
         return true;
 
+    case QGraphicsProxyWidget::Type:
+        return false;
+
     case UBGraphicsWidgetItem::Type:
         if (currentTool == UBStylusTool::Selector && item->parentItem() && item->parentItem()->isSelected())
             return true;

src/document/UBDocumentController.h

@@ -50,7 +50,7 @@ class UBDocumentToolsPalette;
 
 class UBDocumentController : public UBDocumentContainer
 {
-    Q_OBJECT;
+    Q_OBJECT
 
     public:
         UBDocumentController(UBMainWindow* mainWindow);