Vizlib Filter - Add Ability to Disable Quick Select in Dropdown

My users have been complaining about Vizlib filters applying selections without the check box conformation step that most Qlik filtering has. This makes it difficult to select multiple values at once. Vizlib filters with the drop down style are always locked down to quick select and there is no option to disable it. In the images below, the left screenshot shows the quick select option for the regular dynamic Vizlib filter while the right screenshot shows it missing for the drop down.