[IMP] theme_*: adapt New Page template designs for themes

This commit customizes all New Page template designs for every single
theme.

The changes are organized as follow:

When the used blocks are not the default ones:
- the new sequence of block is listed in the `new_page_templates`
manifest entry.
- the blocks are updated in the `new_page_template_sections_..._...`
XML templates accordingly.

After the potential block sequence updates, the `new_page_template.xml`
then first contains the general customization of blocks (those that
apply across all new page templates) then the customization for each
category of page.

Customizations for a specific page are directly below category-wide
customizations of the given block when both exist.

task-3381714

closes odoo/design-themes#692

Related: odoo/odoo#126719
Signed-off-by: Romain Derie (rde) <rde@odoo.com>
Co-authored-by: Benoit Socias <bso@odoo.com>
Co-authored-by: Arthur Detroux (ard) <ard@odoo.com>

theme_beauty/__manifest__.py

@@ -24,6 +24,7 @@
         'views/snippets/s_media_list.xml',
         'views/snippets/s_comparisons.xml',
         'views/snippets/s_product_catalog.xml',
+        'views/new_page_template.xml',
     ],
     'images': [
         'static/description/beauty_description.jpg',