**Apache Airflow version**: 2.1.1

**What happened**:

For user with "Op" role following menu items are not visible in navigation panel, however pages are accessible (roles has access to it):
- "Browse" -> "DAG Dependencies"
- "Admin" -> "Configurations"

**What you expected to happen**: available menu items in navigation panel
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: