Using two pin EU plug in Ireland for long term use

Just jam it in there by pressing in the earth part of the socket with a pen lid or something. No need for an adaptor

Jut to check - is it definitely two pin and not a type with an odd earth connection (french male pin in socket / schucko spring side contact)?

Two pin in a decent quality adapter is fine; any earthed type either needs an adapter that handles earth - often massive - or replace the plug. Most normal adapters do not handle earth

Irish-European adapters often do, because it doesn't make them any bulkier.

This is what you need

https://ie.farnell.com/powerconnections/fcp-bk-5a/converter-plug-european-black/dp/3530941

Probably get it in electrical wholesalers like kellihers (open to everyone)

You'd be surprised at how many small electrical items have it already fitted. Mainly lamps and things like phone chargers (Sony)

Change it for a standard 13amp plug top. It’s a 5 minute job for a novice, if you haven’t the ability/tools there is definitely someone you know that can.