[NUI] Do not register when we try to copy same handle

[NUI] Do not register when we try to copy same handle

Since we register to registry by BaseObjectPtr(), it is impossible to
register duplicated handle.

So, actually, we have to deplicate copy BaseHandle constructor.
But for now, just make we don't register into registry now.

Signed-off-by: Eunki, Hong <eunkiki.hong@samsung.com>