fix: the mouse click control lose in workspace

fix the mouse click control lose in workspace

Log: fix the mouse click control lose in workspac
Bug: https://pms.uniontech.com/bug-view-268293.html

src/main_window.cpp

@@ -924,7 +924,7 @@ void MainWindow::initResource()
     m_showButtons = new ShowButtons(this);
     connect(m_showButtons, SIGNAL(keyShowSignal(const QString &)), this, SLOT(showKeyBoardButtons(const QString &)));
     resizeHandleBigImg = DHiDPIHelper::loadNxPixmap(":/other/node.svg");
-    buttonFeedback = new ButtonFeedback();
+    buttonFeedback = new ButtonFeedback(this);
 
     m_initResource = true;
 }