docs(env): canonicalize FIELD_ENCRYPTION_KEY in .env.example (GOO-238)

Replace KYC_ENCRYPTION_KEY/KYC_ENCRYPTION_KEY_VERSION in .env.example with
the canonical FIELD_ENCRYPTION_KEY/FIELD_ENCRYPTION_KEY_VERSION used by
env-validation.ts and the rotation runbook. Update bootstrap.sh sed line to
substitute the canonical name. Runtime still reads the legacy KYC_* vars as
a deprecated fallback for existing operators.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/api/src/modules/search/presentation/controllers/search.controller.ts

@@ -52,6 +52,7 @@ export class SearchController {
         dto.page,
         dto.perPage,
         dto.featured,
+        dto.ward,
       ),
     );
   }