[Security Solution] Updates diff outcome logic to return `CustomizedValueCanUpdate` on scenario `-AB`#186435

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dplumlee wants to merge 2 commits intoelastic:mainfrom dplumlee:missing-version-diff-logic

+38-21

Commits on Jun 18, 2024

updates logic to return certain missing version diff outcomes
dplumlee
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Commits on Jun 19, 2024

updates related unit tests
dplumlee
committed