Previous query panel right click menu is not not functional under Find tab and menu option display is persistant once displayed

log into https://www.i2b2.org/webclient/ as a demo user
under previous query panel click on Find tab
search for a query
select the result item and right click to display the right click menu .
select any of the menu items( delete/ rename)
Expected: both the menu items should be functional
issue 2 : menu box should disappear once clicked away from it after its displayed
Actual: nothing happens on clicking any of the menu options
Menu option box is not disappearing once its displayed