Introduce StateAwareMappingMutator #3437
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Description
Sometimes, one needs access to
state(e.g. for its RNG) in a mapper.StateAwareMappingMutatorprovides this functionality.This PR also creates user-friendly functions to use it with havoc and numeric mutators, and adds example code to the demo fuzzer.
Checklist
./scripts/precommit.shand addressed all comments