helptext_unit() assert failure with internal actions
helptext_unit() uses action_iterate() instead of action_noninternal_iterate(). Consequently it has asserts failing on an attempt to fetch UI names for internal actions.
Same likely applies to other help categories than units.
helptext_unit() uses action_iterate() instead of action_noninternal_iterate(). Consequently it has asserts failing on an attempt to fetch UI names for internal actions.