[BUGFIX release] Revert lazy hash changes#19594

Merged

rwjblue merged 3 commits intoreleasefrom revert-stable-hash

Jun 9, 2021

+141-296

Commits on Jun 7, 2021

Revert "[BUGFIX lts] Ensures that computed can depend on dynamic hash keys"
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Revert "[BUGFIX release] Make {{hash}} object properties settables"
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Revert "[BUGFIX] Makes the (hash) helper lazy"
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