eldiem opened a new pull request #3549: [ZEPPELIN-4476] Running Trash Restore will result in an error URL: https://github.com/apache/zeppelin/pull/3549 ### What is this PR for? If you run a restore when there are two or more notes or folders, an error occurs. <img width="1447" alt="Screen Shot 2019-12-09 at 10 19 15 PM" src="https://user-images.githubusercontent.com/42430609/70450056-65be6c00-1ae6-11ea-9cb8-8ab5668d9d80.png"> ### What type of PR is it? [Bug Fix] ### Todos * [x] - Update note list after emptying the Trash * [x] - Fixes an error when running Trash restore ### What is the Jira issue? https://issues.apache.org/jira/browse/ZEPPELIN-4476 ### How should this be tested? (before)   (after)  
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