[frontend] fix broken layout on open import dialog (#10761)

[delemaf]

Proposed changes

• Fix flashing import dialog

Related issues

• Closes Layout is broken when loading the import panel #10761

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 65.70%. Comparing base (aab804f) to head (e5c3f79).
Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #11019      +/-   ##
==========================================
+ Coverage   65.66%   65.70%   +0.04%     
==========================================
  Files         674      674              
  Lines       67204    67271      +67     
  Branches     7430     7512      +82     
==========================================
+ Hits        44128    44202      +74     
+ Misses      23076    23069       -7     

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[Archidoit]

Working well 👍