tree 2956475a93ad1fde2e941dee8ab71ca5d02fe3b4
parent b0e220e6dbbf1a54cbce98f290d593b49e97bc23
author Jeff Zhang <zjffdu@apache.org> 1581924747 +0800
committer Jeff Zhang <zjffdu@apache.org> 1582248214 +0800

[ZEPPELIN-4620]. Exported note json is not pretty print

### What is this PR for?
The exported note (both zpln and ipynb) are not pretty print. This PR fix this is straightforward.
For zpln, it is done in browser side, for ipynb it is done in server side because the conversion happens in server side.

### What type of PR is it?
[Improvement]

### Todos
* [ ] - Task

### What is the Jira issue?
* https://issues.apache.org/jira/browse/ZEPPELIN-4620

### How should this be tested?
* Tested it manually

### Screenshots (if appropriate)

### Questions:
* Does the licenses files need update? No
* Is there breaking changes for older versions? No
* Does this needs documentation? No

Author: Jeff Zhang <zjffdu@apache.org>

Closes #3655 from zjffdu/ZEPPELIN-4620 and squashes the following commits:

138489cfe [Jeff Zhang] [ZEPPELIN-4620]. Exported note json is not pretty print