Method finalize

src/backend/worksheet/Worksheet.cpp:802–805

		: StandardMacroSetterCmd<Worksheet::Private, QRectF>(target, &Worksheet::Private::pageRect, newValue, description) {
	}
	void finalize() override {
		m_target->updatePageRect();
		Q_EMIT m_target->q->pageRectChanged(m_target->*m_field);
	}
	void finalizeUndo() override {
		m_target->m_scene->setSceneRect(m_target->*m_field);
		Q_EMIT m_target->q->pageRectChanged(m_target->*m_field);