v3 port. Customer PDF controllers resolved the target document by raw
mailable_id ignoring mailable_type, and skipped expiry on the JSON endpoints.
- Resolve via $emailLog->mailable + assert the expected type (404) to close
cross-type disclosure.
- Enforce isExpired() (403) on every public path incl. the JSON endpoints.
- Harden EmailLog::isExpired() against a null/unresolvable mailable.
Adds tests for cross-type 404, JSON-path expiry 403, and the valid path.
V1/Admin -> Company (company-scoped controllers)
V1/SuperAdmin -> Admin (platform-wide admin controllers)
V1/Customer -> CustomerPortal (customer-facing portal)
V1/Installation -> Setup (installation wizard)
V1/PDF -> Pdf (consistent casing)
V1/Modules -> Modules (drop V1 prefix)
V1/Webhook -> Webhook (drop V1 prefix)
The V1 prefix served no purpose - API versioning is in the route prefix
(/api/v1/), not the controller namespace. "Admin" was misleading for
company-scoped controllers. "SuperAdmin" is now simply "Admin" for
platform administration.
