Export consultation results to CSV

[sauloperez]

Description

- As an: admin
- On page: /admin/consultations/<consultation_slug>/results
- I want to be able to do:

• Enable exporting the contents of the results table into a CSV file

Acceptance Criteria & Tests

The extra columns we added to the consultation's results table in openpoke/decidim-module-action_delegator#29 doesn't give the sum of votes of an answer but most importantly, it can't fit the needs of all kinds of cooperatives when it comes to calculating voting results.

Therefore, we want to let them do their own math from a spreadsheet. The way to do so is with an "Export to file" or "Download" button within the card-title, next to the votes vs participants label.

The CSV should have exactly these columns and ordering 👇

[sauloperez]

decidim/decidim#6070 seems to be a great example to follow

[sauloperez]

Waiting for review at openpoke/decidim-module-action_delegator#42.

[sauloperez]

This is working but line breaks don't play well with CSV. Every line break is taken as a new column so if your question title includes them, you end up with more columns than expected, with the question title split into multiple ones.

[sauloperez]

Line breaks no longer break the CSV because the line breaks turn into

HTML tags and so they look like