Is it possible to have the single styling on a multiple select

Hi all,

Loving select2 but curious if its possible to keep my select2 drop downs functioning as multiple selects.

But displayed in the single style drop down.

Long story short I would really like the searchable field contained in the drop down when using multi select fields similar to how it displays for a single select field if that makes sense.

It seems like someone has already came up with a solution here:

But curious if theres a simpler way to achieve the same ends?