Odoo Release Updates

[FIX] mass_mailing: ensure codeView commitChanges succeeds

[FIX] mass_mailing: ensure unknown email format is displayed

[FIX] mass_mailing: post-fresh-options fixes

[IMP] mass_mailing: add autofill snippet plugin

[FIX] mass_mailing: ensure MassMailingHtmlField works on Safari

[FIX] mass_mailing: ensure correct editor instance on record switch

[FIX] mass_mailing: use overlay offset for basic editor

[FIX] mass_mailing: fix indeterministic commitChanges

[IMP] html_builder, website: add editable icons to shadow options

[FIX] mass_mailing: prevent crash when fieldHTML in modal

[FIX] mass_mailing: fix view online url issue on test mail

[FIX] mass_mailing: Limit name field to it's container

[FIX] mass_mailing: inline placeholder element

[CLN] *: manifests

[IMP] html_builder, mass_mailing, website: add slider to resize media

[IMP] *: add social account snippet in mass mailing

[FIX] mass_mailing: prevent error on selecting mail template

[FIX] *: automaticaly set legacy at_install

[IMP] web: cache identical name_search calls in M2X

[IMP] mass_mailing: handle visual assets in builder

[FIX] html_editor, mass_mailing, website: fix background repeat pattern

[FIX] web,*: RPCCache: correctly handle rejected promises

[FIX] mass_mailing: add mail contact to mail list through wizard

[FIX] mass_mailing: post-refactoring follow-up fixes

[IMP] mass_mailing, web: add conditional visibility on snippets

[FIX] mass_mailing: inline placeholder elements

[FIX] mass_mailing: prevent infinite scrolling when viewing mails

[FIX] mass_mailing: display mailings without body_arch in readonly

[REF] html_builder, *: move back builder-specific scss to html_builder

[REF] all: model's description should be singular