[Frontend] Company size field on request form

[williammfu]

Type of changes

Please check the type of change your PR introduces:

• Bugfix
• Enhancement
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behaviour?

• Request demo form does not contain a company size field for the user to fill

What is the new behavior?

• Request demo form has a new field: company size as a dropdown from which user could choose their company size

Checklist

• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• Any dependent changes have been merged and published in downstream modules
• I have filled the [Unreleased] Changelog

Security Pentester API Checklist

• IDOR
• Malicious Script Injection
• SQL Injection

Does this introduce a breaking change?

• Yes
• No

Other information

[gregoriusjimmy]

tested and working

[rizkybaihaqy]

mantap, tp changelognya belum fu