Returns a paginated view of machine-to-machine applications registered under
the tenant.

Response shape: Spring Page<PrincipalDetailsResponse> envelope with
content, totalElements, totalPages, number (zero-based), size, and
the standard Spring pagination flags.

Pagination: server-side via Spring Pageable. Default size=25, default
sort name,asc. Max size=200 (rejected with 400 above). Sort fields
allow-list: createdAt, name, status. Any other sort field returns 400.

Authorization: requires scope admin.tenant.application.list.