[PM-21867] Fix send rotation broken due to incorrect types

[quexten]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-21867

📔 Objective

Despite it's name; send.key is not a key. We had documented this in a few other places, but not yet in the key-rotation code, so it was incorrectly assumed to be a key. The new validation on unwrapSymmetricKey / wrapSymmetricKey assumes a symmetric cryptokey to be passed in, which only accepts 32 / 64 / >64 byte keys which made this fail. (In any case, it is the incorrect primitive and would otherwise have lead to issues later on when switching out the implementation of wrapSymmetricKey).

📸 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

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.41%. Comparing base (0555d82) to head (6c8ff89).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #14874   +/-   ##
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  Coverage   36.41%   36.41%           
=======================================
  Files        3212     3212           
  Lines       93279    93279           
  Branches    16840    16840           
=======================================
  Hits        33966    33966           
  Misses      56845    56845           
  Partials     2468     2468           

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[github-actions]

Checkmarx One – Scan Summary & Details – 9b8a22d9-bff2-4996-bd5e-3182a18602c9

Great job, no security vulnerabilities found in this Pull Request