The user is having EXECUTE_CATALOG_ROLE granted to it....
You keep saying whatever pop-ups on your head instead of answering our questions and consider our suggestions. Very hard to help somebody doesn't helps him/herself.
I'm officialy giving up on you. Sorry.
Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.