Built-In functions should work without execute privilege

EXECUTE privilege should be applicable to User-defined functions and not built-in functions.
Ref : https://docs.google.com/document/d/1lNUFB-cPqwe0g2bhzEJQ3qzrGohVu-7O_xWoD5w6-Zo/edit?pli=1#heading=h.m5e8jgc1d76y

User has SELECT privilege on collection new_collection: 

 select count(*) as count from new_collection;

User must have permission (cluster.analytics.grant.FUNCTION[asterix:asterix:array_count:1]!EXECUTE)