[17.0][IMP] l10n_es_facturae: Include registration data #4529
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Forward-port of #4528
More and more, some organizations in FACe are asking for this data for validating the invoices uploaded to it, so let's introduce this information at company level to fill it optionally.
No need to worry about empty elements, as they are auto-cleaned.
@Tecnativa TT58981