tpm2_sessionconfig fix usage of --disable-continuesession (5.6.X) #1740

Job	Run time
coverity-test	0s
build-test (ubuntu-18.04, gcc)	5m 44s
master-tss-build-test (gcc)	17m 58s
build-test (ubuntu-18.04, clang)	5m 10s
coverage-test	5m 44s
master-tss-build-test (clang)	4m 56s
build-test (ubuntu-20.04, gcc)	5m 46s
build-test (ubuntu-20.04, clang)	4m 51s
build-test (fedora-30, gcc)	5m 55s
build-test (fedora-30, clang)	5m 15s
build-test (opensuse-leap, gcc)	5m 55s
build-test (opensuse-leap, clang)	5m 17s
build-test (fedora-32, gcc)	5m 54s
build-test (fedora-32, clang)	5m 6s
build-test (ubuntu-22.04, gcc)	11m 28s
build-test (ubuntu-22.04, clang)	10m 38s
	1h 45m 37s

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