自定义选择下拉菜单，无法选择用户添加项。

So I have this custom dropdown select that i'm building. It has some nested items in there and as the first option, the user can create their own item. I've got it working so they can click it, type in there, and once they hit enter it will be selected. The thing I can't figure out is after they have created it, and then they select something else, they are unable to go back to select that newly created item. Hopefully that makes sense. Here is the jsfiddle So I have this custom dropdown select that i'm