Ignore CKA_TOKEN in the public key template for C_GenerateKeyPair. Add tests. #2409

Job	Run time
build on fedora:40 (gcc, true)	1m 28s
build on ubuntu:24.04 (gcc,false)	1m 35s
build on fedora:40 (clang, false)	1m 24s
build on macos (macos-latest)	45s
build on fedora:39 (gcc, false)	1m 48s
build on ubuntu:24.04 (clang,false)	1m 30s
build on macos (macos-latest-xlarge)	51s
build on fedora:39 (clang, false)	2m 10s
build on ubuntu:23.10 (gcc,false)	1m 20s
build on ubuntu:23.10 (clang,false)	1m 47s
build on ubuntu:22.04 (gcc,false)	1m 16s
build on ubuntu:22.04 (clang,true)	1m 32s
build on ubuntu:20.04 (gcc,false)	1m 26s
build on ubuntu:20.04 (clang,false)	1m 47s
build on debian:12 (gcc,false)	1m 27s
build on debian:12 (clang,false)	1m 34s
build on debian:11 (gcc,false)	1m 16s
build on debian:11 (clang,false)	1m 36s
run unit tests (ubuntu:22.04, clang)	16m 30s
run unit tests (fedora:40, gcc)	11m 14s
	54m 16s

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