Issue region jumps when window resizes

[ActiveChooN]

May be related #3975

My actions before raising this issue

• Read/searched the docs
• Searched past issues

Expected Behaviour

The issue should stay in its place.

Current Behaviour

The issue jumps when the window resizes.

Possible Solution

Steps to Reproduce (for bugs)

1. Create an issue region
2. Resize the browser window

Context

Your Environment

• Git hash commit (git log -1):
• Docker version docker version (e.g. Docker 17.0.05):
• Are you using Docker Swarm or Kubernetes?
• Operating System and version (e.g. Linux, Windows, MacOS):
• Code example or link to GitHub repo or gist to reproduce problem:
• Other diagnostic information / logs:
  Logs from `cvat` container

Next steps

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