PM-5550 Implement on-page autofil for single line TOTP

[dan-livefront]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-5550

📔 Objective

Drafting PR, still in works and may refactor initial approach.

pending items as of now:

🟡 write tests

📸 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

[codecov]

Codecov Report

Attention: Patch coverage is 75.38462% with 16 lines in your changes missing coverage. Please review.

Project coverage is 33.50%. Comparing base (7d6da0a) to head (48a8b7e).

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...wser/src/autofill/background/overlay.background.ts	35.71%	4 Missing and 5 partials ⚠️
...nline-menu/pages/list/autofill-inline-menu-list.ts	84.78%	4 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12058      +/-   ##
==========================================
+ Coverage   33.47%   33.50%   +0.02%     
==========================================
  Files        2878     2878              
  Lines       89941    90002      +61     
  Branches    17116    17128      +12     
==========================================
+ Hits        30106    30151      +45     
- Misses      57455    57463       +8     
- Partials     2380     2388       +8     

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