API - Strata Category Issue in Registration

#### Issue
Strata Hotel Category is not being populated from Strata Application into Strata Registration. Screenshots below.

#### Reproduce
- Create Strata Application (Category is visible in Application)
- Approve Application
- Open Strata Registration Details (Category is 'Uncategorized')

#### Root Cause
- `registration.strataHotelDetails.category` is missing in Strata Registration payload when loading Details Page

#### Strata Renewal Implications
- Strata Renewal cannot be pre-populated as the Category missing in Registration