PM-26151: Disable continue button for Autofill onboarding flow when autofill is disabled

[david-livefront]

🎟️ Tracking

PM-26151

📔 Objective

This PR updates the onboarding screen for Autofill to disable the Continue button until the user enabled Autofill. They can still select the Turn on later option.

📸 Screenshots

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[github-actions]

Checkmarx One – Scan Summary & Details – 7f4f3604-0582-407a-b70e-962db3cd4bcc

Great job! No new security vulnerabilities introduced in this pull request

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.26%. Comparing base (cc685b2) to head (99871ce).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5933   +/-   ##
=======================================
  Coverage   84.26%   84.26%           
=======================================
  Files         713      713           
  Lines       53690    53691    +1     
  Branches     7401     7401           
=======================================
+ Hits        45244    45245    +1     
  Misses       5851     5851           
  Partials     2595     2595           

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[david-livefront]

Thanks @SaintPatrck