[FIX] hr_recruitment_survey: Start survey, create answers

Use the correct function to create answers before strating the
survey.

closes odoo/odoo#38779

Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>

addons/hr_recruitment_survey/models/hr_applicant.py

@@ -13,7 +13,7 @@ class Applicant(models.Model):
         self.ensure_one()
         # create a response and link it to this applicant
         if not self.response_id:
-            response = self.env['survey.user_input'].create({'survey_id': self.survey_id.id, 'partner_id': self.partner_id.id})
+            response = self.survey_id._create_answer(partner=self.partner_id)
             self.response_id = response.id
         else:
             response = self.response_id