QTextEdit, Qt::TextSelectableByKeyboard: cursor does not blink and remains visible when focus leaves

#include <QApplication>
#include <QLineEdit>
#include <QTextEdit>
#include <QVBoxLayout>

int main(int argc, char **argv)
{
  QApplication app(argc, argv);

  QWidget window;
  QVBoxLayout layout(&window);

  QLineEdit lineEdit;
  layout.addWidget(&lineEdit);

  QTextEdit textEdit;
  textEdit.setTextInteractionFlags(Qt::TextSelectableByKeyboard);
  layout.addWidget(&textEdit);

  window.show();

  return QApplication::exec();
}