Card::getOwner should return the actual value
Card::getOwner should return the actual value

I guess we never call this at runtime or it would already ahve done boom
very loudly.

Signed-off-by: Roeland Jago Douma <982d370f7dc34a05b4abe8788f899578d515262d@famdouma.nl>

nextcloud/server,nextcloud/server,nextcloud/server,nextcloud/server