Get rid of ng-in-viewport dependency

[floreks]

• updated nav bar styling to show the scrollbar
• disabled the "N" badge animation for PVC as the name is too long to properly display it
• added new kdIsVisible directive that can be used to track if element is visible in the viewport
• fixed yarn fix:html script

[codecov]

Codecov Report

Merging #7479 (e3e877e) into master (8f10fe2) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #7479      +/-   ##
==========================================
- Coverage   42.24%   42.22%   -0.02%     
==========================================
  Files         220      220              
  Lines       12111    12110       -1     
  Branches      179      179              
==========================================
- Hits         5116     5114       -2     
- Misses       6710     6711       +1     
  Partials      285      285              

[maciaszczykm]

/lgtm

[k8s-ci-robot]

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