Odoo Release Updates

[IMP] hr: make new contract button invisible if no contract

[FIX] website_sale: prevent data loss when creating new ribbon

[FIX] account: correct wizard message for full amount with EPD

[FIX] account: fix behavior of Hide Prices/Composition states in section widget

[IMP] pos_hr: add hoot tests for cashier selection popup and mixin

[IMP] link_tracker: encode '...' in redirect url

[IMP] purchase: enable mass mailing option in list and kanban views

[FIX] mail: keep composer focused after jump to present on desktop

[IMP] account: make kpi.provider report unreconciled bank statements

[REF] account: reorganize kpi.provider tests

[FIX] stock_account: Return last know price for history

[FIX] base: Fix href traceback

[FIX] *: redirect documentation url to correct version

[FIX] stock: Correct forecasted quantity with expiration date

[IMP] github: adapt issue template to 19 release

[FIX] crm: remove markup when selecting record in many2one_avatar_leader_user

[FIX] stock_account: Unit cost as column name on stock.move

[FIX] stock_account: fix traceback on grouping by location

[FIX] website: prevent selection on triple click between icons

[FIX] website: make s_share non editable

[FIX] mrp_subcontracting: make warehouse duplication test agnostic to purchase_stock

[FIX] html_editor: filter out invisible nodes for toolbar display

[FIX] mail: Fix `_inverse_message_partner_ids` for batch updates

[CLN] website_sale: remove unused images

[FIX] website_sale_wishlist: hide archived products from wishlist

[FIX] mail: align systray entry `:hover` with the other ones

[FIX] html_editor: traceback when hiding HtmlField

[FIX] mail: support no message in composer for suggestion

[FIX] html_builder, *: replace `fa-times` with `oi-close`

[FIX] mail: correct store fallback in action constructor