fix(UI): missing role name in Key Participant card

[GabDug]

Role name was always defaulting to FireFighter

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 62.89%. Comparing base (9741726) to head (9507f91).

Files	Patch %	Lines
...ter/incidents/templates/pages/incident_detail.html	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #87      +/-   ##
==========================================
+ Coverage   62.87%   62.89%   +0.02%     
==========================================
  Files         213      213              
  Lines        9431     9431              
  Branches     1276     1276              
==========================================
+ Hits         5930     5932       +2     
+ Misses       3293     3292       -1     
+ Partials      208      207       -1     

Flag	Coverage Δ
unittests	62.89% <0.00%> (+0.02%)	⬆️

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