Make the front end button ‘send as anonymous’ trigger the back end when it is selected by the user

[lhitmi]

This issue addresses the post anonymously in specific forums user story and will be completed in Sprint 1, with moderate impact and moderate to low difficulty. It involves ensuring that when users select the "send as anonymous" button on the front end, it correctly triggers the backend logic to submit posts anonymously. This guarantees the proper functioning of anonymous submissions across the platform. User story is issue #15