Fixed: Reset zoom option doesn't work in tag annotation mode

[bsekachev]

Motivation and context

Resolved #2174

How has this been tested?

Manual testing

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]

@dvkruchinin Could you please write a test for the issue. The scenario is simple and described in the related issue.

[dvkruchinin]

The scenario is simple and described in the related issue.

Sure. The test will be written.

[coveralls]

Coverage decreased (-0.02%) to 62.811% when pulling cf9e287 on bs/fixed_issue_2174 into 9807856 on develop.