Fix nss cipher suite to use commas
Fix nss cipher suite to use commas

Also add in recommended ECDSA ciphers and be more thorough in generating
NSS ciphers list

(OpenSSL cipher list -> https://testssl.sh/openssl-iana.mapping.html ->
https://raw.githubusercontent.com/curl/curl/527461285f54bca59356e2c550d55ed9606e96d1/lib/vtls/nss.c -> NSS cipher list)

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