Django admin: audit and fix of contacts with multiple records

[vickyszuchin]

Issue description

Identify and fix contacts that have multiple records linked. We need to separate the contact into multiple so each domain that it is associated to is no longer linked to the same record.

Acceptance criteria

• generate a report of all Senior Official contacts on stable that have multiple records linked
• Fix the contacts with multiple records by separating the contact into multiple so each domain that it is associated to is no longer linked to the same record for:
  • "BJ Murphy" contact
  • any contacts as identified in the audit report (from first AC)

Additional context

slack discussion

Links to other issues

No response

[PaulKuykendall]

@abroddrick - please review this ticket and ensure that the AC are correct.

[abroddrick]

Adding to 62 as This ticket has been forgotten about for a while, adding housekeeping to this ticket as it's mostly a clean up ticket