Odoo Release Updates

[MOV] mail, *: move discuss files to discuss_app/sidebar

[FIX] account_edi_ubl_cii: fix empty child name in e-invoice docs

[FIX] website: fix issue of infinite loading when adding image to grid

[IMP] web: introduce signature in properties field

[FIX] stock_account: take uom in account in product value avco

[FIX] website_sale: test_website_category_url Failed

[FIX] website: fix hide_sidebar_header tour

[FIX] test_website_modules: make modify_image test demo-data-independent

[FIX] auth_signup: signup_cancel as sudo when writing on active

[IMP] web: extract signature viewer from signature field

[FIX] core: fix limit_time_real_cron 0

[FIX] point_of_sale: ePOS cashdrawer blocked when IoT disconnected

[FIX] hr_attendance: Fix To approve filter in management

[FIX] orm: fix the selection properties not working with `filtered_domain`

[IMP] mail, im_livechat: introduce polls in discuss

[IMP] stock, product{,_barcodelookup}: allow the user to disable the barcodelookup

[IMP] web: whitelist voip modules for linting

[FIX] website_sale: archive demo products in test suite

[IMP] html_editor: generalize the embeddedEditable selection restoration

[FIX] web: Hoot - fix early manual run

[FIX] website_livechat: only cancel pending chat requests

[FIX] spreadsheet: crash on freeze & share with boolean global filter

[FIX] test_website_modules: Adapt test query count when using demo data

[FIX] website_event: regex gets incorrect event id

[IMP] sale_pdf_quote_builder: Defensively test sale.order state names.

[FIX] account: fix iframe selection for invoice_html

[FIX] stock_account: avoid traceback acceing stock valuation

[IMP] html_builder, website: integrate translation into common builder

[REF] mail: split DiscussCategories in many files

[FIX] base: localhost can't resolve to ::1