Used QWidget::update() instead of QWidget::repaint() for target package pin updates. Results in less flickering

src/Insight/UserInterfaces/InsightWindow/Widgets/TargetWidgets/TargetPackageWidget.cpp

@@ -60,7 +60,7 @@ void TargetPackageWidget::updatePinStates(const Targets::TargetPinStateMappingTy
         }
     }
 
-    this->repaint();
+    this->update();
 }
 
 void TargetPackageWidget::onTargetStateChanged(TargetState newState) {