Code Reformatted

[vnishukov]

Motivation and context

To make the code following linter rules and easy to read

How has this been tested?

Just see the changes

Checklist

• I submit my changes into the develop branch
• I have added description of my changes into CHANGELOG file
• I have updated the documentation accordingly
• I have added tests to cover my changes
• I have linked related issues (read github docs)
• I have increased versions of npm packages if it is necessary (cvat-canvas,
  cvat-core, cvat-data and cvat-ui)

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below)

# Copyright (C) 2020 Intel Corporation
#
# SPDX-License-Identifier: MIT

[bsekachev]

Could you please checkout tests/* to develop, then pull develop and run automatic fixing again?

[vnishukov]

Could you please checkout tests/* to develop, then pull develop and run automatic fixing again?

@bsekachev Just made it. But seems we have some codacy conflicts

[bsekachev]

@vnishukov

But seems we have some codacy conflicts

Mainly in markdown files.
Codacy Unnecessary block is a false positive.

[bsekachev]

I tested the PR. It seems it works in basic scenarios and I do not expect that semantic are spoilt. Let's merge it.