minor #19106 [Console] [Question helper] Add more accuracy on multiple choices answers (devojifr)

This PR was merged into the 5.4 branch.

Discussion
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[Console] [Question helper] Add more accuracy on multiple choices answers

User can choose multiple answers by using string or index of the answer.
Mixing string and int is even possible.

Commits
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62080d2 [Question helper] Add more accuracy on multiple choices answers

Author: javiereguiluz

components/console/helpers/questionhelper.rst

@@ -185,6 +185,8 @@ this use :method:`Symfony\\Component\\Console\\Question\\ChoiceQuestion::setMult
 
 Now, when the user enters ``1,2``, the result will be:
 ``You have just selected: blue, yellow``.
+The user can enter string: ``blue,yellow`` as well or even mix string and
+the index of the choice like ``blue,2``.
 
 If the user does not enter anything, the result will be:
 ``You have just selected: red, blue``.