AreaChart:With gaps in series

Build 982 on 2131-clean-up-stories-to-fully-enable-chromatic
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Baseline History
Build 9827a22b65
Current build. There are unaccepted changes, so build 846 is still the baseline.
Build 846340486c current baseline
Accepted by Zach Stence.
Commenting is disabled because there's a newer build on this branch