Additional data return from _prepare_tax_totals in account_tax

[rosenvladimirov]

Impacted versions: 16.0+

Steps to reproduce: Print Customer invoice in different currency or prepare intra-community deal.
In _prepare_tax_totals return data only in partner currency, but in EU law https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32006L0112 article 230 wand to amount of taxes to be in company's currency in ICA is same rues.

Current behavior: in _prepare_tax_totals from account_tax return only amount in partner currencies

Expected behavior: Not best choice to make additional module for use same data to calculate again amount.
Need to add amount and formatting in company currency

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