[FIX] survey: correctly flag answers done with invite

A field exists to differentiate answers done manually through frontend of
survey and answers created through invitation. The field was not correctly
set by the invite wizard. This commit fixes it.

This commit is linked to task ID 1935176 and PR #30689.

addons/survey/models/survey_user.py

@@ -31,7 +31,7 @@ class SurveyUserInput(models.Model):
     # description
     survey_id = fields.Many2one('survey.survey', string='Survey', required=True, readonly=True, ondelete='cascade')
     input_type = fields.Selection([
-        ('manually', 'Manually'), ('link', 'Link')],
+        ('manually', 'Manual'), ('link', 'Invitation')],
         string='Answer Type', default='manually', required=True, readonly=True,
         oldname="type")
     state = fields.Selection([

addons/survey/wizard/survey_invite.py

@@ -157,6 +157,7 @@ class SurveyInvite(models.TransientModel):
 
     def _get_answers_values(self):
         return {
+            'input_type': 'link',
             'deadline': self.deadline,
         }