Odoo Release Updates

[REF] website, *: refactor searchbar template

[IMP] spreadsheet: update o_spreadsheet to latest version

[REF] spreadsheet: charts extract data logic from types

[FIX] spreadsheet: adapt tests to add sheetName

[IMP] spreadsheet: update o_spreadsheet to latest version

[REF] html_editor, *: improve createBaseContainer handling of empty blocks

[IMP] setup: add Firejail sandboxing and harden bwrap

[FIX] website: remove header padding when visually separated from page

[FIX] html_editor: traceback when toggle title has no next sibling

[FIX] web_editor: handle caption correctly for display:block images

[FIX] purchase_stock: set date_promised new purchase line

[IMP] resource: Add ensure_one

[FIX] mail: sync push-to-talk settings UI with stored values

[IMP] web, survey: update certificate design

[IMP] web, survey: update certificate design

[IMP] l10n_kw: add federal states

[FIX] base: assert recordset

[FIX] mrp{,_subcontracting}: group resupply pickings after PO confirm

[FIX] l10n_cz: Do not change date automatically on posted moves

[FIX] web: hoot suites: more accurate timeout

[FIX] l10n_sk: fix VAT report rows 32 and 33 overlap

[FIX] *: forms: boxed title and adjusted font size

[FIX] stock: prevent crash when opening picking form

[IMP] project, sale_project: show Customer Rating button only when appropriate

[IMP] web: improve audio file support

[REF] mail, im_livechat: call _add_members with users when possible

[IMP] website: display deleted url in referencing pages

[REF] mail: clean up TestChannelRTC

[PERF] tools: optimize hook dispatch (`safe_eval`)

[IMP] core: disallow PYTHONOPTIMIZE