MenuTagMultiselectWidget: Erase the input when a menu option is chosen
MenuTagMultiselectWidget: Erase the input when a menu option is chosen

This can be disabled by passing { clearInputOnChoose: false } in the config.

Bug: T183378
Change-Id: I274d2518d798936692b3edbf1f28afde15642ffc

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui