Added overflow scroll in attribute annotation editor

[bsekachev]

Motivation and context

Before:

After:

How has this been tested?

Checklist

• I submit my changes into the develop branch
• I have created a changelog fragment
• I have updated the documentation accordingly
• I have added tests to cover my changes
• I have linked related issues (see 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.

[codecov]

Codecov Report

Merging #7610 (accb291) into develop (cd5cd44) will increase coverage by 0.00%.
Report is 6 commits behind head on develop.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #7610   +/-   ##
========================================
  Coverage    83.44%   83.45%           
========================================
  Files          373      373           
  Lines        39756    39739   -17     
  Branches      3741     3741           
========================================
- Hits         33175    33163   -12     
+ Misses        6581     6576    -5     

Components	Coverage Δ
cvat-ui	79.24% <ø> (+<0.01%)	⬆️
cvat-server	87.33% <ø> (+<0.01%)	⬆️