Maintain a vector of down casted pin widget pointers in the QFP widget

src/Insight/UserInterfaces/InsightWindow/Widgets/TargetWidgets/QFP/QuadFlatPackageWidget.cpp

@@ -60,6 +60,7 @@ QuadFlatPackageWidget::QuadFlatPackageWidget(
     for (const auto& [targetPinNumber, targetPinDescriptor]: targetVariant.pinDescriptorsByNumber) {
         auto* pinWidget = new PinWidget(targetPinDescriptor, targetVariant, insightWorker, this);
         this->pinWidgets.push_back(pinWidget);
+        TargetPackageWidget::pinWidgets.push_back(pinWidget);
 
         if (targetPinNumber <= pinCountPerLayout) {
             this->leftPinLayout->addWidget(pinWidget, 0, Qt::AlignmentFlag::AlignRight);