Odoo Release Updates

[FIX] base: fix test_lang_computation_form_view to run in single app

[IMP] l10n_pe: add withholding tax by default

[IMP] mail: small discuss (composer) style improvements

[IMP] mail: show live chat status in messaging menu item

[FIX] website: fix animation trigger for footer elements

[FIX] website_sale: fix selectors in the tour

[FIX] website_sale: keep CarouselProduct indicators centered on load

[FIX] core: Ensure proper flushing of property definitions

[IMP] stock: Hide subcontracting quantity from available button

[REF] website_forum: remove custom color plugin

[FIX] mass_mailing: fix mass_mailing snippets

[FIX] html_builder: change mobile preview button color

[FIX] website_blog: restore RSS link in blog sidebar

[FIX] website_sale: failing tests

[REF] html_editor: move icon color to new plugin

[FIX] product: combo name translatable

[FIX] im_livechat: meeting view in website

[FIX] stock: replace package select python action by js

[FIX] website_(slides_)forum: make navigation more consistent

[FIX] mail: no double call is talking outline

[FIX] l10n_gcc_*,l10n_sa: fixing post l10n_gcc report refactor bugs

[IMP] account: add HOOT tests for collapse_ fields' logic in sections widget

[REF] html_editor: split color plugin in two

[FIX] web: no default OK button in Dialog

[FIX] {website_sale_,}loyalty: prevent error when applying a code

[FIX] code_upgrade: fix failing check

[FIX] website_sale: prevent error when changing the delivery address

[FIX] website_sale: allow selecting excluded attributes

[FIX] web: Prevent left-right arrow keys when navigating a dropdown

[IMP] mass_mailing: fix mobile preview