feat: Fixed displaying banner and certificates on mobile view

[Lunyachek]

This is backport from Master - #860

• Fixed displaying banner on mobile view
• Fixed displaying list of certificates on mobile view

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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@ac277ee). Click here to learn what that means.

Additional details and impacted files

@@                      Coverage Diff                      @@
##             open-release/quince.master     #999   +/-   ##
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  Coverage                              ?   66.82%           
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  Files                                 ?       52           
  Lines                                 ?      850           
  Branches                              ?      176           
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  Hits                                  ?      568           
  Misses                                ?      272           
  Partials                              ?       10           

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[mphilbrick211]

Hi @openedx/2u-aperture! This is ready to merge (master has already been merged).

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@Lunyachek 🎉 Your pull request was merged! Please take a moment to answer a two question survey so we can improve your experience in the future.