Hi Lyle,
many thanks for almost single handedly keeping this forum alive.
The table in the NIFRS Advice Note is a straight lift from Table B2 BS 7273-4:2015+A1 2021( Selection of category of actuation for release of electronically locked doors on means of escape from buildings )As you said NIFRS are offering "Advice" and BSI are providing "Guidance" although, if there is the question of approval of an Entertainment Licence application, it may well become prescriptive.
Presumably you have looked at this as part of the Risk Assessment and found it acceptable. The advice note states that it is unacceptable in "many" premises which implies that it is acceptable in some.
All you can do is discuss with the local Fire Safety Dept who, I would imagine, will cling very tightly to Advice Note 5 and say "but...alcohol" whilst making hypothetical statements about the "man (or woman) in the curly wig".
As anyone on here is only too well aware, this sector regularly experiences multi fatality incidents around the world so the Enforcing Authority is always going to err on the side of safety.