Objects API:Switch To V 2 Existing

Build 157 on feature/4267-url-to-uuids
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Baseline History
Build 15706417c2
Current build. There are unaccepted changes, so build 110 is still the baseline.
Build 110ee57bb7 current baseline
Accepted by Sergei Maertens.
Build 45fe82bc
Auto-accepted
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