[frontend] Some import fixes and Markdown field min height adapted

[lndrtrbn]

Proposed changes

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.32%. Comparing base (fce20e2) to head (317c0e1).
Report is 3 commits behind head on release/6.5.0.

Additional details and impacted files

@@                Coverage Diff                @@
##           release/6.5.0    #9753      +/-   ##
=================================================
+ Coverage          64.30%   64.32%   +0.01%     
=================================================
  Files                653      653              
  Lines              62473    62473              
  Branches            6921     6928       +7     
=================================================
+ Hits               40171    40183      +12     
+ Misses             22302    22290      -12     

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