refactor(ui): templates & CSS cleanup

[GabDug]

• Activate djhtml's djcss mode
• Reformat some templates attributes
• Fix some visual issues with newer Bulma releases
• Remove some custom CSS: we are using Tailwind CSS, Daisy UI and custom Django components

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 81.81818% with 2 lines in your changes missing coverage. Please review.

Project coverage is 62.80%. Comparing base (4d64afa) to head (9d8c6fc).

Files with missing lines	Patch %	Lines
...rc/firefighter/components/form_field/form_field.py	0.00%	1 Missing ⚠️
...s/templates/layouts/partials/incident_metrics.html	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #61      +/-   ##
==========================================
- Coverage   62.81%   62.80%   -0.01%     
==========================================
  Files         215      215              
  Lines        9573     9572       -1     
  Branches     1286     1286              
==========================================
- Hits         6013     6012       -1     
+ Misses       3352     3351       -1     
- Partials      208      209       +1     

Flag	Coverage Δ
unittests	62.80% <81.81%> (-0.01%)	⬇️

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