Fix CustomerType and OwnerType enums: send int instead of string

- CustomerType: PERSONAL=0, FAMILY=1 (was 'Personal', 'Family')
- OwnerType: PERSON=0, REAL_ESTATE_AGENCY=1 (was 'peerson', 'RealEstateAgency')
- Backend Type column is int(11), sending strings caused 415 errors

app/enums/OwnerType.js

@@ -4,8 +4,8 @@
  * Used in: Owner registration (Owner/Add)
  */
 const OwnerType = Object.freeze({
-  PERSON: 'peerson',
-  REAL_ESTATE_AGENCY: 'RealEstateAgency',
+  PERSON: 0,
+  REAL_ESTATE_AGENCY: 1,
 });
 
 // Map value → Arabic label