[frontend] Fix alignment of loader in knowledge graph(#7532)

[CelineSebe]

Proposed changes

• change boolean props

Related issues

• Bad alignement in knowledge graph loader #7532

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

Further comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.61%. Comparing base (6289b3d) to head (561f971).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7663      +/-   ##
==========================================
+ Coverage   67.59%   67.61%   +0.02%     
==========================================
  Files         567      567              
  Lines       69883    69883              
  Branches     5929     5932       +3     
==========================================
+ Hits        47235    47250      +15     
+ Misses      22648    22633      -15     

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