[FR] Add language select with keyboard support to the Code Block

[unbreakabl3]

Description

First of all - thank you very much for adding a languages searching support in the Code Block!
Is it possible to add the language select with the keyboard arrows in the example below?

Impact

For example, when I do type Java and two possible options returned, it is much quicker to click on down arrow button on the keyboard that continue typing.

Additional Context

No response