Odoo Release Updates

[FIX] account: avoid crash when uploading empty PDF file

[IMP] account: relation on external values

[IMP] account: mass edit partner on move list

[FIX] account: filter outstanding credits_debits by invoice company

[IMP] account: improve duplicate detection

[IMP] l10n_in: remove restriction for accessing tax returns

[FIX] account: Fix flaky account_tour

[IMP] account: Allow reconciliation on all accounts

[IMP] *: add explanations to core models and actions

[IMP] sale: reusable section templates for quotations

[FIX] account: use sudo() when reading reconciled_payment_ids on portal invoice list

[REF] account: search is not a bool in account code mapping

[FIX] account: display product name in correct language in an invoice

[FIX] account: ensure record reference and amount are correct in mail

[FIX] account: pick the currency rate of the selected date

[REF] *: refactor product catalog

[IMP] *: show price per product unit in product catalog

[FIX] account,repair: Computes should be private

[FIX] account: prevent column shrink in payment term lines

[FIX] account: set account required for couterpart in reconciliation model

[FIX] account: subtotal_footer: amount due alignment

[FIX] account: Allow removing some lines

[IMP] web,*: follow up for M3.1 style commit

[IMP] account: Label at cash basis base journal items

[FIX] *: forms: boxed title and adjusted font size

[FIX] base, mail, various: remove accounting disabled mail context in tests

[FIX] account: round_tax_details_base_lines consider only not zero taxes_data

[FIX] account: added an SQL constraint for label in report columns

[FIX] account: allow search by code of inactive accounts

[IMP] web,*: follow up for M3.1 style commit