fix(surveys): fix multiple choice input unique ID bug

[liyiy]

Changes

There was a bug in multiple question surveys where if you had 2 or more multiple choice type questions in the mix, you would be unable to select the input properly because the input IDs in the element were exactly the same

This PR adds a questionIndex identifier to the question elements so that it's more unique. It's really only needed for multiple choice type questions but doesn't hurt to have for the others too.

mcq-id-bug.mov

Checklist

• Tests for new code (see advice on the tests we use)
• Accounted for the impact of any changes across different browsers

[github-actions]

Size Change: +131 B (0%)

Total Size: 725 kB

Filename	Size	Change
dist/surveys.js	39.6 kB	+131 B (0%)

ℹ️ View Unchanged

Filename	Size
dist/array.full.js	177 kB
dist/array.js	118 kB
dist/es.js	118 kB
dist/module.js	118 kB
dist/recorder-v2.js	95 kB
dist/recorder.js	58.3 kB

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