participant upgraded to project hub and site admin blacklisting for Ideas and budgeting posts

Admin blacklisting for Ideas and Budgeting posts enables administrators to restrict or block specific users, content, or entities that violate platform guidelines or policies. This feature helps maintain content quality, prevents misuse, and ensures a safe and relevant environment for all users. Admins can blacklist based on predefined rules such as inappropriate submissions, spam, or policy breaches, ensuring that restricted users are unable to create or interact with Ideas and Budgeting posts.