Make sure thread details window is closed on exit

Author: ludviggunne

gui/mainwindow.cpp

@@ -2113,9 +2113,10 @@ void MainWindow::showLibraryEditor()
 
 void MainWindow::showThreadDetails()
 {
-    auto *td = new ThreadDetails;
+    auto *td = new ThreadDetails(this);
     connect(mThread, &ThreadHandler::threadDetailsUpdated,
             td, &ThreadDetails::threadDetailsUpdated, Qt::QueuedConnection);
+    td->setAttribute(Qt::WA_DeleteOnClose);
     td->show();
     mThread->emitThreadDetailsUpdated();
 }

gui/threaddetails.cpp

@@ -5,6 +5,7 @@ ThreadDetails::ThreadDetails(QWidget *parent)
     : QWidget(parent)
     , mUi(new Ui::ThreadDetails)
 {
+    setWindowFlags(Qt::Window);
     mUi->setupUi(this);
     mUi->detailsBox->setReadOnly(true);
 }