Nightly build is failed (.cvat-draw-polygon-popover-visible never found)

[nmanovic]

My actions before raising this issue

• Read/searched the docs
• Searched past issues

Expected Behaviour

CI tests have to be robust.

Current Behaviour

  2) Actions on polygon
       Testing case "10"
         Draw a polygon shape, track with second label:
     AssertionError: Timed out retrying: Expected to find element: `.cvat-draw-polygon-popover-visible`, but never found it.
      ./cypress/support/commands.js/<@http://localhost:8080/__cypress/tests?p=cypress/support/index.js:1035:6
      runCommand/<@http://localhost:8080/__cypress/runner/cypress_runner.js:169097:15
      tryCatcher@http://localhost:8080/__cypress/runner/cypress_runner.js:10325:23

Steps to Reproduce (for bugs)

https://github.com/openvinotoolkit/cvat/actions/runs/556084657

Context

Nightly testing on our CI

[dvkruchinin]

This is similar to the situation after the antd update. And is reproduce frequently in Firefox browser in headless mode. The error became reproducible after the commit merge #2780 . I will try to solve it by means of Cypress.