Multiple choices rework

[sebazai]

Currently Quizzes ver. 0.9.10 only works on Ohjelmointi-21.
Latest version crashes because Ohjelmointi-21 has many quiz items in one quiz.

For Economics MOOC we want to show feedback for each answer option, this is something that we don't want in ohjelmointi-21, even though they have unlimited tries.

Fixes #781 :

• Show quiz title regardless direction (Hopefully fine for Economics, that uses column a lot)
• Shows the correct failure/success message if many quiz items (?)
• Some minor refactoring, which could break things.

To do (Comments please):

• We need some backend to toggle the option "showFeedbackForEachAnswerOption" ?
  • Once we have this, work on the widget to take this into account
• Test functionality
• Make sure this works on Economics, Elements and Ohjelmointi-21 (is there any way to do this without publishing version?)

[sebazai]

What is the purpose of this checkbox?

If I look at Elements, this checkbox doesn't seem to be toggled and they receive only one feedback when answering a Quiz item and not a feedback for each answer option

[nygrenh]

enum QuizItemFeedbackDisplayPolicy {
  DisplayFeedbackOnQuizItem,
  DisplayFeedbackOnAllOptions,
}

[codecov]

Codecov Report

Merging #782 (92152e1) into master (9277cb2) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #782   +/-   ##
=======================================
  Coverage   92.08%   92.09%           
=======================================
  Files          63       63           
  Lines        2010     2011    +1     
  Branches      266      267    +1     
=======================================
+ Hits         1851     1852    +1     
  Misses        153      153           
  Partials        6        6           

Impacted Files	Coverage Δ
packages/backendv2/src/models/quiz_item.ts	100.00% <ø> (ø)
packages/backendv2/tests/data.ts	100.00% <ø> (ø)
packages/backendv2/knexfile.ts	100.00% <100.00%> (ø)

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