Simplify the BitwardenExpandableFloatingActionButton

[david-livefront]

🎟️ Tracking

N/A

📔 Objective

This PR simplifies the BitwardenExpandableFloatingActionButton.

• Removed the need for custom classes and generics
• Simplified the expanded state
• Fixed state restoration after config change (this is what started it all 😄 )

⏰ 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 – c92f8556-b6b6-46db-b513-9fb0e7a32f94

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 84.56%. Comparing base (bebf947) to head (fc9e9f4).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5989   +/-   ##
=======================================
  Coverage   84.56%   84.56%           
=======================================
  Files         719      719           
  Lines       54636    54636           
  Branches     7532     7532           
=======================================
  Hits        46201    46201           
  Misses       5802     5802           
  Partials     2633     2633           

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[david-livefront]

Thanks @SaintPatrck