[ENH & REF] improve and refactor UI

[Remi-Gau]

No description provided.

[codecov]

Codecov Report

Merging #192 (b61b499) into dev (3a67904) will increase coverage by 2.05%.
The diff coverage is 67.36%.

@@            Coverage Diff             @@
##              dev     #192      +/-   ##
==========================================
+ Coverage   77.88%   79.93%   +2.05%     
==========================================
  Files          29       29              
  Lines         633      658      +25     
==========================================
+ Hits          493      526      +33     
+ Misses        140      132       -8     

Flag	Coverage Δ
unittests	79.93% <67.36%> (+2.05%)	⬆️

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Impacted Files	Coverage Δ
src/ui/askForGroupAndOrSession.m	100.00% <ø> (ø)
src/ui/getIsQuestionToAsk.m	100.00% <ø> (ø)
src/utils/throwWarning.m	100.00% <ø> (ø)
src/ui/askUserGui.m	30.00% <30.00%> (ø)
src/ui/askUserCli.m	47.05% <47.05%> (ø)
src/ui/createQuestionnaire.m	92.85% <92.85%> (ø)
src/checkCFG.m	98.85% <100.00%> (+0.02%)	⬆️
src/ui/returnDefaultQuestionnaire.m	100.00% <100.00%> (ø)
src/userInputs.m	90.90% <100.00%> (+90.90%)	⬆️
src/createFilename.m	97.56% <0.00%> (+1.21%)	⬆️
... and 1 more

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