SUBMARINE-602. [WEB] Fix some bugs in workspace page

[kevin85421]

What is this PR for?

Fix some bugs in workspace page

1. Remove the unknown white block

2. (1) Implement the function of "click close icon" (2) Move the next step button

3. Move the previous button and next button

4. Move the previous button, save button and notebook button

What type of PR is it?

[Bug Fix]

Todos

What is the Jira issue?

https://issues.apache.org/jira/browse/SUBMARINE-602

How should this be tested?

https://travis-ci.org/github/kevin85421/hadoop-submarine

Screenshots (if appropriate)

Updated screenshot

Questions:

• Does the licenses files need update? No
• Is there breaking changes for older versions? No
• Does this needs documentation? No

[jiwq]

I found the information is not displayed completely. Could you help to fix it?

[kevin85421]

@jiwq Thank you for your suggestion! Can you explain the meaning of information further? Do you mean the "initial project" and "preview project" pages? Thanks!

[jiwq]

@jiwq Thank you for your suggestion! Can you explain the meaning of information further? Do you mean the "initial project" and "preview project" pages? Thanks!

In create new project, it has three steps. The first step is Basic Information, in here I saw this issue.

[pingsutw]

@kevin85421 thanks for fixing this bug.

The "n" is not displayed completely

[kevin85421]

@pingsutw Thanks! I will fix it soon.

[kevin85421]

@pingsutw @jiwq I have fixed the problem. Thanks!

[pingsutw]

Thanks @kevin85421, will merge if no more comment.

[jiwq]

Thanks @kevin85421 for the contribution and @pingsutw for the review.