[IMP] base: support decimalized in integer qweb formatting

Purpose of this commit is to allow decimalized formatting of numbers when
rendering integer fields in qweb. This is done through an option and will
be used notably in elearning.

Task-2607416

Part-of: odoo/odoo#74171

odoo/addons/base/models/ir_qweb_fields.py

@@ -10,7 +10,7 @@ from markupsafe import Markup as M, escape
 from PIL import Image
 from lxml import etree, html
 
-from odoo import api, fields, models, _, _lt
+from odoo import api, fields, models, _, _lt, tools
 from odoo.tools import posix_to_ldml, float_utils, format_date, format_duration, pycompat
 from odoo.tools.mail import safe_attrs
 from odoo.tools.misc import get_lang, babel_locale_parse
@@ -136,8 +136,18 @@ class IntegerConverter(models.AbstractModel):
     _description = 'Qweb Field Integer'
     _inherit = 'ir.qweb.field'
 
+    @api.model
+    def get_available_options(self):
+        options = super(IntegerConverter, self).get_available_options()
+        options.update(
+            format_decimalized_number=dict(type='boolean', string=_('Decimalized number')),
+        )
+        return options
+
     @api.model
     def value_to_html(self, value, options):
+        if options.get('format_decimalized_number'):
+            return tools.format_decimalized_number(value)
         return pycompat.to_text(self.user_lang().format('%d', value, grouping=True).replace(r'-', '-\N{ZERO WIDTH NO-BREAK SPACE}'))