ui: Refactored View initialization

* moved initView() implementation where used into constructor
* specify methods as override instead of virtual where applicable
* use default destructors where applicable

src/lib_gui/qt/view/QtStatusView.cpp

@@ -16,20 +16,9 @@
 
 QtStatusView::QtStatusView(ViewLayout* viewLayout)
 	: StatusView(viewLayout)
-{
-}
-
-QtStatusView::~QtStatusView()
-{
-}
-
-void QtStatusView::createWidgetWrapper()
 {
 	setWidgetWrapper(std::make_shared<QtViewWidgetWrapper>(new QFrame()));
-}
 
-void QtStatusView::initView()
-{
 	QWidget* widget = QtViewWidgetWrapper::getWidgetOfView(this);
 
 	QBoxLayout* layout = new QVBoxLayout();
@@ -77,6 +66,10 @@ void QtStatusView::initView()
 	layout->addLayout(filters);
 }
 
+void QtStatusView::createWidgetWrapper()
+{
+}
+
 void QtStatusView::refreshView()
 {
 	m_onQtThread([this]()