the selected options is duplicating will clicking it again and again

[NihalRoshanCK]

Fixes #313

added a unique prop to handle duplicate

Originally posted by @NihalRoshanCK in #313 (comment)

[nextchamp-saqib]

This is not replicating on any of the apps using frappe-ui. Are you able to replicate it?

not sure why it is only happening in the stories