fix: prevent AF crash when requestedQoS is missing#198
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Summary
NetworkAssistanceSession.requestedQoS has cardinality [0..1] and is therefore optional.
The code previously accessed subfields of requestedQoS without checking whether the object was present. When requestedQoS was omitted, this led to a NULL pointer dereference and caused the AF to crash.
Closes 2 Bugs Reported in #190