Airflow 2.1.0, Docker

**What happened**:

Users with the Guest role assigned are stuck in a redirect loop once they attempt to login successfully to the web interface.

**What you expected to happen**:

Get minimal access to the dashboard with the appropriate views for a guest role

**How to reproduce it**:
1. Assign a guest role to any user and remove any other roles with the administrator user.
2. Logout from the admin account 
3. Login as the guest user
4. You will notice constant HTTP redirects, and the dashboard will not show up.


airflow/www/security.py
"""
        Gets all existing resource records.
        :return: List of all resources
        :rtype: List[ViewMenu]
        """
        return self.get_all_view_menu()
    def get_action(self, name: str) -> Permission:
        """
        Gets an existing action record.
        :param name: name
        :type name: str
        :return: Action record, if it exists
        :rtype: Permission
        """
        return self.find_permission(name)
    def get_permission(self, action_name: str, resource_name: str) -> PermissionView:
        """
        Gets a permission made with the given action->resource pair, if the permission already exists.
        :param action_name: Name of action
        :type action_name: str
        :param resource_name: Name of resource
        :type resource_name: str
        :return: The existing permission
        :rtype: PermissionView
        """
        return self.find_permission_view_menu(action_name, resource_name)
    def create_permission(self, action_name: str, resource_name: str) -> PermissionView: