Copying symbols from one document to another

[leohans (Leonardo Hancevich (Leo Hans))]

When copying a symbol from a document to another one with the same styles, they styles are duplicated instead of using the ones already on the target document (even with the same name).

[Xhaust (Christian Meyer)]

@leohans

using the ones already on the target document

this is a feature request. we also need this so badly!