fix: stop device autoevents before releasing memory

[iain-anderson]

refac: eliminate recursion from dup/free list functions

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PR Checklist

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• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
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Testing Instructions

Invalid reads may be observed in the main branch by running the template example under valgrind and removing Device1

New Dependency Instructions (If applicable)

[SteveOss]

LGTM