BUG: Fix missing QWidget parents

Fix potential memory leak identified in !123 (merged)

This branch starts off new_spinboxes. Let's see how gitlab handles that. We should probably merge new_spinboxes first, then merge widget_parents into develop

Modules/Wrappers/QtWidget/include/otbWrapperQtWidgetBoolParameter.h

@@ -40,7 +40,7 @@ class OTBQtWidget_EXPORT QtWidgetBoolParameter : public QtWidgetParameterBase
   Q_OBJECT
 
 public:
-  QtWidgetBoolParameter(BoolParameter*, QtWidgetModel*);
+  QtWidgetBoolParameter(BoolParameter*, QtWidgetModel*, QWidget*);
   ~QtWidgetBoolParameter() override;
 
 public slots: