[frontend] fix error when searching attack patterns (#6551)

[marieflorescontact]

Proposed changes

Related issues

• issue/6551

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

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.85%. Comparing base (6b3fe25) to head (ca91417).
Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6591      +/-   ##
==========================================
+ Coverage   67.78%   67.85%   +0.07%     
==========================================
  Files         532      532              
  Lines       65102    65102              
  Branches     5470     5513      +43     
==========================================
+ Hits        44128    44178      +50     
+ Misses      20974    20924      -50     

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