Method reparent

src/backend/core/AbstractAspect.cpp:639–655

* \brief Move a child to another parent aspect and transfer ownership. */

 * \brief Move a child to another parent aspect and transfer ownership.
 */
void AbstractAspect::reparent(AbstractAspect* newParent, int newIndex) {
	Q_ASSERT(parentAspect());
	Q_ASSERT(newParent);
	int max_index = newParent->childCount<AbstractAspect>(ChildIndexFlag::IncludeHidden);
	if (newIndex == -1)
		newIndex = max_index;
	Q_ASSERT(newIndex >= 0 && newIndex <= max_index);

	//	AbstractAspect* old_parent = parentAspect();
	// 	int old_index = old_parent->indexOfChild<AbstractAspect>(this, IncludeHidden);
	// 	auto* old_sibling = old_parent->child<AbstractAspect>(old_index+1, IncludeHidden);
	// 	auto* new_sibling = newParent->child<AbstractAspect>(newIndex, IncludeHidden);

	// 	Q_EMIT newParent->aspectAboutToBeAdded(newParent, new_sibling, this);
	exec(new AspectChildReparentCmd(parentAspect()->d, newParent->d, this, newIndex));
	// 	Q_EMIT old_parent->aspectRemoved(old_parent, old_sibling, this);
}

QVector<AbstractAspect*> AbstractAspect::children(AspectType type, ChildIndexFlags flags) const {
	QVector<AbstractAspect*> result;