Odoo Release Updates

[REF] point_of_sale: move IoT preparation printer to `pos_iot`

[IMP] point_of_sale: merge order lines for same product and lot

[IMP] hr: add name placeholder

[FIX] orm/fields_relational: Fix key error

[FIX] l10n_in_hr_holidays: fixed the test case

[IMP] sale_stock: Allow salesman to access deliveries

[IMP] web, *: fine-tune contact kanban card

[IMP] base, mail: use UI colors for generated avatars

[FIX] account: fix restrict "Export ZIP" menu.

[FIX] mail, im_livechat: prevent notification when invited to meeting

[FIX] mrp: prevent error when product name is missing on move lines

[FIX] l10n_tw_edi_ecpay: correct JSON data handling for credit notes

[IMP] l10n_ar: Added tax accounts and taxes

[FIX] account: Use company currency for analytic line creation.

[FIX] account: remove sample data for account.move.line list view

[FIX] stock_account: enable Inventory at date for non-standard product

[IMP] website, *: document Plugins shared methods and resources

[IMP] orm: reading many2many fields should add to cache

[IMP] payment_mollie: add support for multiple new payment methods

[FIX] point_of_sale: compute combo price correctly with no free item

[CLN] server: use http_socket_activation variable

[FIX] {purchase_}mrp,stock: improve cache in orderpoint._compute_rules()

[FIX] mail: default group chat avatar is squared

[IMP] hr_recruitment: send email by default if reason has template

[FIX] pos_event: use partner details if not filled in

[FIX] mail: use correct attachment upload response

[REV] website_sale: ProductsListPageOption should be always visible

[IMP] html_editor: introduce renderBlueprintToElement

[FIX] pos_hr: show a notification when a cashier can not access backend

[FIX] payment: allow branch companies to use parent's payment providers