Impacted versions:
9.0, 10.0

Steps to reproduce:

Create a new database with language English by default and add a new language. Go to settings->translate->languages (in debug mode), inactive English. Go to contacts and "Create". 

Related: https://github.com/odoo/odoo/issues/3854

Current behavior:

Frontend error: Try read en_US language and add to partner, but this not are avalaible.

Expected behavior:
Change default language for all partners.

I need change the default value manually for create new partners:
```
UPDATE public.ir_values
   SET value='S''es_CO''
p1
.'
 WHERE id=1;
```

Video/Screenshot link (optional):


for lang in self:
            for pattern in lang._disallowed_datetime_patterns:
                if (lang.time_format and pattern in lang.time_format) or \
                        (lang.date_format and pattern in lang.date_format):
                    raise ValidationError(_('Invalid date/time format directive specified. '
                                            'Please refer to the list of allowed directives, '
                                            'displayed when you edit a language.'))
    @api.constrains('grouping')
    def _check_grouping(self):
        warning = _('The Separator Format should be like [,n] where 0 < n :starting from Unit digit. '
                    '-1 will end the separation. e.g. [3,2,-1] will represent 106500 to be 1,06,500;'
                    '[1,2,-1] will represent it to be 106,50,0;[3] will represent it as 106,500. '
                    'Provided as the thousand separator in each case.')
        for lang in self:
            try:
                if not all(isinstance(x, int) for x in json.loads(lang.grouping)):
                    raise ValidationError(warning)
            except Exception:
                raise ValidationError(warning)
    @api.model_cr
    def _register_hook(self):
        
        if not self.search_count([]):
            _logger.error("No language is active.")
    @api.model
    def load_lang(self, lang, lang_name=None):