Used addEventListener instead of overriding window.onerror for global error handling

[azhavoro]

Used addEventListener instead of overriding window.onerror for global error handling

Motivation and context

The global error handler can be overridden by web analytic framework and part of errors may be uncaught.

How has this been tested?

Manually

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

[coveralls]

Pull Request Test Coverage Report for Build 7099

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 69.729%

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Totals
Change from base Build 7097:	0.02%
Covered Lines:	11750
Relevant Lines:	16392

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💛 - Coveralls