Github user 1ambda commented on the issue:
https://github.com/apache/zeppelin/pull/2528
Thanks for the contribution. Really nice and useful feature.
I guess you introduced new property `isExpanded` in setting. It would be
nice to include newly added the property in existing settings as we did in
https://github.com/apache/zeppelin/pull/2268/files. It will be more explicit.
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