Fix PC/SC failure path for feature lookups #483

Job	Run time
MacOS 15 Intel (release)	5m 59s
MacOS 15 (arm64) build (shared/Release/pcsclite/qt5)	1m 29s
MacOS 15 Intel (x86_64) build (shared/Release/pcsclite/qt6)	9m 0s
MacOS 26 (arm64) build (static/Debug/pcsclite/qt6)	3m 59s
MacOS 15 Intel (x86_64) build (shared/Debug/pcsclite/qt5)	2m 54s
MacOS 15 (arm64) build (static/Release/none)	52s
MacOS 15 Intel (x86_64) build (static/Debug/none)	2m 18s
	26m 31s

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