Firstname for newsletter on footer section didn't appear

Topic summary

A user is experiencing an issue with adding a firstname input field to their newsletter signup form in the footer section of their Studio theme.

The Problem:

  • After modifying the newsletter JSON file to include a firstname field, it appears correctly when added as a new standalone section
  • However, the same firstname field does not display when placed in the footer section

Technical Details:

  • Theme: Studio
  • Modified files: Newsletter JSON configuration
  • Screenshots show the field working in one context but missing in the footer

Current Status:

  • The issue remains unresolved
  • The user is seeking solutions from the community
  • No responses or solutions have been provided yet
Summarized with AI on November 2. AI used: claude-sonnet-4-5-20250929.

after i add firstname in code files of newsletter json file , it appear as a new section :

but on the footer section it not appear :

anyone have a solution here ?

theme : studio

website: utopia-paris.fr