Make copying an element list out its attributes instead of a useless id
Make copying an element list out its attributes instead of a useless id

Summary: When copying elements from the layout inspector its much more useful to copy all associated attributes rather than just the name and an implementation detail id.

Reviewed By: jknoxville

Differential Revision: D17727520

fbshipit-source-id: 8ac1828059cc10f7f9faf0bdc72eb3d57c881121

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