feat: missing attributes -> invoice

ajax/invoices/temporary/missing.php

ajax/invoices/temporary/previewhtml.php

bin/backend/classes/Invoices.js

bin/backend/controls/InvoiceArticleList.css

bin/backend/controls/InvoiceArticleList.js

bin/backend/controls/panels/TemporaryInvoice.js

locale.xml

src/QUI/ERP/Accounting/Invoice/InvoiceView.HTML.Preview.css

src/QUI/ERP/Accounting/Invoice/InvoiceView.php

src/QUI/ERP/Accounting/Invoice/TemporaryInvoice.php

src/QUI/ERP/Accounting/Invoice/Utils/Invoice.php

template/body.html

template/footer.html