Upvote:2
Under Dutch law, your license was taken as part of a driving ban. This ban starts immediately, which means that there's no judicial decision taken yet.
The UK recognizes Irish driving bans, specifically. Dutch driving bans do not apply. You can therefore request your license back from the Dutch "Openbaar Ministerie", as you need your license to legally drive in the UK.
As you figured out in the comments, chances are pretty high that you will need a driver to put your car on the ferry.
In the mean time, the legal process will continue. The Dutch courts will almost certainly not convict you before Brexit, so it's a guess whether that information will be shared with the UK.