Refactor combobox examples system to fix examples on docsite

[jordanjones243]

General Support Request

Support request

The combobox docsite examples are broken on the docsite and we have been working through different ways to fix them.

Possible Solution

Refactor the initializing of each JS example.

Additional Context

The continuity of this work stems from this issue:

• https://github.com/AlaskaAirlines/auro-combobox/issues/132