Odoo Release Updates

[FIX] website: correctly wait for loading in `insertSnippet` tour util

[IMP] website: add arrow styling option for dynamic snippet

[REM] website: remove unnecessary clean of highlight in snippet preview

[IMP] im_livechat, *: harmonize Live Chat copywriting

[FIX] website,website_forum: forum search performance

[FIX] website: test cover image fail intermittently

[IMP] website: lower sequence ir_actions_todo

[FIX] website: use slugified url on "create page" in edit menu dialog

[FIX] website: add vertical position check for highlights line detection

[REM] website: remove unused website.assets_all_wysiwyg bundle

[FIX] mail,website,im_livechat: interpolation of custom property values

[FIX] website: wait for interactions start in test

[FIX] website, *: preview dynamic content of custom snippet

[FIX] website: allow background color to be edited within s_tabs

[FIX] website: avoid using `request` in `check_existing_page`

[FIX] website: disable inline icon edition in s_accordion

[IMP] mail: add default static id for js models

[FIX] website: controller_pages should be bound to concrete models

[FIX] *: check ids in res_ids

[IMP] web_tour: allow macro delay only for wanted listed tours

[IMP] *: add tag to tour that fails without macro delay

[FIX] website: highlight not misplaced above RTL content

[FIX] website: delete dialog links

[FIX] website: Allow users with large image to add new font

[FIX] web_editor, website: restore dynamic svg colors on reset

[IMP] *: rename "Cancel" to "Discard"

[IMP] *: remove datas

[FIX] website: fix Full-Screen label on snippet previews

[REF] web,*: no more a[href="#"] in notebook

[FIX] website: The translation tour raise indeterminate error.