Adding dropdown single select option to surveys

Is your feature request related to a problem? Please describe.
Currently, Decidim surveys only allows single select with radio buttons. While radio buttons offer the benefit of displaying options clearly, they can become problematic when dealing with a large number of choices. This can create an overwhelming experience for users who struggle to scan and locate the desired option within a cluttered interface.

Describe the solution you'd like
Decidim surveys can benefit from a new question format: dropdown single option select. This format allows survey creators to offer a predefined list of answer choices presented in a dropdown menu. Users then simply choose one option from the list, streamlining the selection process.

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