Fix & Enhance Survey Logic

[aranas]

• [x] add conditional logic for all questions with option "Other (Please specify)"
• [x] add numbering to questions
• [x] put "(Following the definition of the Department of Science, Innovation, and Technology's "Introduction to AI Assurance") " into an info bubble or below (separate text with more white space)
• [x] currently country options are not alphabetically sorted, which makes it harder to find the one you are looking for.
• [x] Most fields in this survey are required to submit data (there are only a few optional ones) Make sure that these fields need to be filled in