Github user soralee commented on the issue:
https://github.com/apache/zeppelin/pull/2239
I modified dialog title and `OK` button.
I've checked the `whitespace` and the `$scope.permissions.owners` array
don't insert `whitespace` originally. But for stability, I added `if
statement`.
@felixcheung, @1ambda could you guys review this again, please?
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