When Enable Details Panel Favorites
is set in editor preferences, properties are duplicated in Details panel :
UE4\Engine\Source\Editor\PropertyEditor\Private\DetailLayoutHelpers.cpp@251
:
if (bRecurseIntoChildren || LocalUpdateFavoriteSystemOnly)
{
// If we are looking to update only favorites, pass this restriction to the child
if (LocalUpdateFavoriteSystemOnly && LocalUpdateFavoriteSystemOnly)
{
ChildArgs.bUpdateFavoriteSystemOnly = LocalUpdateFavoriteSystemOnly;
}
// Built in struct properties or children of arras
UpdateSinglePropertyMapRecursive(ChildNode, CurCategory, CurObjectNode, ChildArgs);
}