add the ability to loose current selection and pick just current item
hide check-all on pick-one use
minor ui fix for ff adjustement
hide picked.checked border
fix pick-one click
fix pick-one propagation problem and reorder some code
new behavior : add to selection without closing when label clicked
improve visibility for pick-one button
add pick-one to short list multiselect component
Show message if filter returns no result
fix merge conflict