Ag Grid Theme:Drag Row Order

Build 15103 on move-combo-box-and-dropdown-to-core
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Baseline History
Build 151038be5860
Current build. There are unaccepted changes, so build 15022 is still the baseline.
Build 15022acbe672 current baseline
Accepted by Josh Wooding.
Commenting is disabled because there's a newer build on this branch