[WIP] Add functionality to hide private pads from list

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

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This section details on the original issue you should resolve

<issue_title>Hide private pads</issue_title>
<issue_description>The ep_pad-lister plugin which we used to use Ignored private pads (= pads starting with private_)

Could we please add this same function to this plugin as well? Remove pads startign with private_ from the list</issue_description>

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