startOffset:Example on the first nested Grid

Build 10659 on renovate/major-jest-monorepo
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Baseline History
Build 1065993b9da7
Current build. There are unaccepted changes, so build 10649 is still the baseline.
Build 106494d69a79 current baseline
Accepted by Muhammad Hussain.
Build 10625a37c1e0
Accepted by Jonathan Roebuck.
Build 105756e78b3f
Accepted by Rebecca McGinn.
Build 103993741644
Accepted by Harvey Peachey.
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