Employee on HR Work Pattern has calendar events enforced as non-working day incorrectly

Summary:

Requirement: only FT regular employees have calendar events enforced as non-working days, all other employees (e.g. part time) can see when a calendar event is but it is a working day (i.e. they need to submit annual leave).

What is happening: all employees with a HR Work Pattern have Calendar Events defaulted as non-working days and we can't seem to turn this off.

Content (please ensure you mask any confidential information):

Employee does not have a Work Schedule Assignment (classic work schedule). They only have a new HR Work Pattern.

Calendar Events are configured in the Geography. (Please see attachment for set up screenshots)