Right click signal for clickable widget

src/Insight/UserInterfaces/InsightWindow/Widgets/ClickableWidget.cpp

@@ -5,6 +5,9 @@ using namespace Bloom::Widgets;
 void ClickableWidget::mouseReleaseEvent(QMouseEvent* event) {
     if (event->button() == Qt::MouseButton::LeftButton) {
         emit this->clicked();
+
+    } else if (event->button() == Qt::MouseButton::RightButton) {
+        emit this->rightClicked();
     }
 
     QWidget::mouseReleaseEvent(event);