uniqueness constraint on fact_claims is broken

### Describe the bug

select *
from marts.claims.fact_claims
where pk_sam_claim_own_gross_reported = 5508714

We expect 1 row, we get 2

### Steps to reproduce

Run the query

### Expected results

1 row

### Actual results

2 rows

### Screenshots and log output


### System information
**The contents of your `packages.yml` file:**

**Which database are you using dbt with?**
- [ ] postgres
- [ ] redshift
- [ ] bigquery
- [ ] snowflake
- [ ] other (specify: ____________)

**The output of `dbt --version`:**
```

```

### Additional context

### Are you interested in contributing the fix?