fix: fixed post card border color issue (#640)

[Lunyachek]

Description

Backport from master - #640

When trying to post on the forum, the option to mark your post as “Discussion” or “Question” is not enabled

Before fix

After fix

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (open-release/quince.master@2dafb6a). Click here to learn what that means.

Additional details and impacted files

@@                      Coverage Diff                      @@
##             open-release/quince.master     #677   +/-   ##
=============================================================
  Coverage                              ?   92.43%           
=============================================================
  Files                                 ?      169           
  Lines                                 ?     3451           
  Branches                              ?      898           
=============================================================
  Hits                                  ?     3190           
  Misses                                ?      241           
  Partials                              ?       20           

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