BHV-12385: Disable MonthPicker controls appropriately, accounting for placeholder months.
BHV-12385: Disable MonthPicker controls appropriately, accounting for placeholder months.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>

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