GF-40525: Picker option and itself could be dymanically destroyed
GF-40525: Picker option and itself could be dymanically destroyed

Override destroy related method to deal with destroying picker opion and
picker itself

Enyo-DCO-1.1-Signed-off-by: David Um <david.um@lge.com>

mcanthony/moonstone,mcanthony/moonstone,enyojs/moonstone,mcanthony/moonstone