Following BS4 migration and adding sections and notes.
=====
Document templates:
- Remove margin from <p> in "informations" to allow them to be
correctly centered vertically on their container.
- Also add a mt- and mb- on their <div> to better handle them going to a new
line when there are too many of them.
- Add class for section and note to be able to customize them in layouts.
- Add class for price_total to be able to customize it in layouts instead
of relying on :last-child.
- Add "page-break-inside: avoid;" on the "total" table to not split it
between pages when it can be avoided.
- Fix sale report template "Informations" to use col-auto just like invoice
See 6b8d7bb6d6
=====
Boxed layout:
- fix section & note style
- fix borders in general
- fix the total table
Background layout:
- fix section style
- fix the total table
Clean layout:
- fix page number vertical align
task-1889346
closesodoo/odoo#27782
Sébastien Theys
dc4a9d3db7