Cache several shrink results for every chain step, so it does not re-access state model state during shrink phase#436

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vlsi wants to merge 2 commits intojqwik-team:mainfrom vlsi:chain_shrink

+159-3

Commits on Dec 12, 2022

Fix ActionChain failure include never-executed actions since it uses wrong state object when creating transformations
Vladimir Sitnikov
committed

Commits on Dec 14, 2022

Cache several shrink results for every chain step, so it does not re-access state model state during shrink phase
Vladimir Sitnikov
committed