[PM-26064] Move BitwardenTextField to BitwardenKit

[KatherineInCode]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-26064

📔 Objective

This moves BitwardenTextField to BitwardenKit, as part of a broader effort to move our various components into BitwardenKit. This also updates the component in BWA.

📸 Screenshots

Before	After

⏰ 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 – c46e28ab-86fd-4de8-b1b6-b17f01b964bb

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 75.78%. Comparing base (277efe6) to head (482a214).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2010      +/-   ##
==========================================
- Coverage   81.32%   75.78%   -5.55%     
==========================================
  Files         832     1019     +187     
  Lines       52457    62068    +9611     
==========================================
+ Hits        42663    47037    +4374     
- Misses       9794    15031    +5237     

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