Feature request - copy data-attr's and/or classes from original select

[MakerTim]

Context

You can hide options via CSS, display: none. But when using select2 it has no effect. My request is to add the data-attr's so

Preview

Codebin

https://jsbin.com/sicexew/edit?html,css,js,output

[AzzaAzza69]

In fact, I would suggest two select2 configuration options (defaulted to false if select2 dev wanted backward compatibility) of "copyOptionClasses": true|false and "copyOptionAttributes": true|false which would do exactly that!

[Shnoulle]

More copy data attribute from options, but can be interesting.

Have a way to copy class too (by option)