Format the email message title for inclusion request notification.

    :param increq: Inclusion request object for which the request is made.
    :type increq: `invenio_communities.models.InclusionRequest`
    :param ctx: Optional extra context parameters passed to formatter.
    :type ctx: dict.
    :returns: Email message title.
    :rtype: str

def format_request_email_title(increq, **ctx):
    """Format the email message title for inclusion request notification.

    :param increq: Inclusion request object for which the request is made.
    :type increq: `invenio_communities.models.InclusionRequest`
    :param ctx: Optional extra context parameters passed to formatter.
    :type ctx: dict.
    :returns: Email message title.
    :rtype: str
    """
    template = current_app.config["COMMUNITIES_REQUEST_EMAIL_TITLE_TEMPLATE"],
    return format_request_email_templ(increq, template, **ctx)