[Tracking] Map fields of ContactsDto

[JonasCir]

The following fields of ContactDto are already generated, mapped and fully imported into SORMAS:

• uuid
• person
• report_date_time
• creation_date
• change_date
• reporting_user
• last_contact_date Note: This makes no sense datetime.date.fromisoformat('2020-02-01')
• diseasecaze The reference to the case
• health_conditions gen_health_condition_dto() but currently empty

The following fields are generated, but not mapped

The following fields can be dropped from the generator

The following fields are generated and used in the logic, but not mapped directly

The following fields should be moved to an other entity in the generator:

The following fields are unclear:

• is_infection