feat: change RBAC rule for public brains

backend/routes/authorizations/brain_authorization.py

@@ -5,6 +5,8 @@
 from fastapi import Depends, HTTPException, status
 from models import UserIdentity
 from repository.brain import get_brain_for_user
+from repository.brain.get_brain_details import get_brain_details
+
 from routes.authorizations.types import RoleEnum
 
 
@@ -43,6 +45,11 @@ def validate_brain_authorization(
     return: None
     """
 
+    brain = get_brain_details(brain_id)
+
+    if brain and brain.status == "public":
+        return
+
     if required_roles is None:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,