Don't use WindowModal on macOS (for now)

src/components.cpp

@@ -118,5 +118,7 @@ void ClickableLabel::mousePressEvent(QMouseEvent* event) {
 WindowModalDialog::WindowModalDialog(QWidget *parent)
     : QDialog(parent)
 {
+#ifndef Q_OS_MACOS
     this->setWindowModality(Qt::WindowModal);
+#endif
 }