On phone/tablet the first tap of Add/Submit blurred the composer, closed the keyboard, and shifted the fixed panel so the click was lost. Commit the action on pointerdown (same pattern as Refine Apply) so one tap is enough.
On phone/tablet the first tap of Add/Submit blurred the composer, closed the keyboard, and shifted the fixed panel so the click was lost. Commit the action on pointerdown (same pattern as Refine Apply) so one tap is enough.