feat: FIT-969: Project intermediate states

[mcanu]

This is just a refactor of update_project_state_after_task_change

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.03%. Comparing base (4f4e86e) to head (0cdaa4b).
⚠️ Report is 10 commits behind head on develop.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #8866       +/-   ##
============================================
+ Coverage    66.59%   81.03%   +14.44%     
============================================
  Files          812      258      -554     
  Lines        63804    23535    -40269     
  Branches     10790        0    -10790     
============================================
- Hits         42488    19071    -23417     
+ Misses       21312     4464    -16848     
+ Partials         4        0        -4     

Flag	Coverage Δ
lsf-e2e	?
lsf-integration	?
lsf-unit	?
pytests	81.03% <100.00%> (+0.05%)	⬆️

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