Backport SEC-76 fixes to release/protocol/v9.x (#3)

[tqin7]

bug fix backport for release v9.6.4

(cherry picked from commit 503b9157339eec47e582af6e266a4d2595460e78)

Changelist

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• If this PR has changes that result in a different app state given the same prior state and transaction list, manually add the state-breaking label.
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[linear-code]

SEC-76

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