Cypress test. Edit handler feature.

[dvkruchinin]

Motivation and context

Add Cypress test. Edit handler for polygon, polyline, points.

How has this been tested?

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) 2021 Intel Corporation
#
# SPDX-License-Identifier: MIT

[coveralls]

Coverage increased (+1.2%) to 73.699% when pulling 4362b23 on dvkruchinin:dkru/cypress-test-case-59-edit-handler into c9830d2 on openvinotoolkit:develop.

[bsekachev]

Hi @ActiveChooN ,

Please, make a review of the PR>

[dvkruchinin]

I will add autoborder activation.

[ActiveChooN]

LGTM