Add a newdata_ex function which takes params and use it

Add a newdata_ex function which takes params and use it

The keymgmt->newdata function does not accept params. We introduce a
newdata_ex function that does, and we use that instead as a thread local
to pass legacy objects to the default provider

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
MergeDate: Fri Feb 13 07:58:28 2026
(Merged from https://github.com/openssl/openssl/pull/29960)