FAPI: Fix authorization session handling. 3.2.x #543

Job	Run time
test-mbedtls	2m 46s
test-tcti-config	11m 13s
scanbuild	11m 0s
build-test (ubuntu-18.04, gcc)	4m 12s
test-coverage	4m 19s
build-test (ubuntu-18.04, clang)	4m 20s
test-fuzz	2m 28s
build-test (ubuntu-20.04, gcc)	4m 22s
coverity-test	0s
build-test (ubuntu-20.04, clang)	4m 8s
build-test (fedora-32, gcc)	4m 46s
build-test (fedora-32, clang)	4m 39s
build-test (opensuse-leap, gcc)	4m 28s
build-test (opensuse-leap, clang)	4m 14s
	1h 6m 55s

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