[ADD] survey_extra_fields, survey_base : copy modules from v16

survey_base/models/survey_question_answer.py

@@ -0,0 +1,19 @@
+
+import logging
+import textwrap
+import uuid
+
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models, _
+from odoo.exceptions import ValidationError
+from odoo.tools import float_is_zero
+
+_logger = logging.getLogger(__name__)
+
+
+class SurveyQuestionAnswer(models.Model):
+    _inherit = 'survey.question.answer'
+
+    record_reference = fields.Many2oneReference(model_field="record_reference_model", string="Record")
+    record_reference_model = fields.Char("Record Model")