Add voting status for participants

[ElviaBth]

🎩 What? Why?
Add voting status for participants for each question.

📌 Related Issues
#175
#174 Enlarge delegation button

📷 Screenshots

• If the user has not answered all the questions, should look "pending":
  

• If the user has answered all questions, should look "success":
  

• When clicking on the message, a modal window should appear with a summary of all the questions and it's current status:
  
  This modal is have a link to any non-answered question

• Create a simple system test to check the modal is opened

• Delegation button current status before vote:
  

• Delegation button current status after vote:
  

♥️ Thank you!

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.16%. Comparing base (b481bde) to head (b015062).

❗ Current head b015062 differs from pull request most recent head 870d181. Consider uploading reports for the commit 870d181 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #176   +/-   ##
=======================================
  Coverage   98.16%   98.16%           
=======================================
  Files          94       95    +1     
  Lines        1905     1912    +7     
=======================================
+ Hits         1870     1877    +7     
  Misses         35       35           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[microstudi]

Nice job Elvia,
we need to check for the multioption responses as well.
Left you a couple of comments