[PM-16236] Move KM files to common folder

[Thomas-Avery]

🎟️ Tracking

📔 Objective

⏰ 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 – d0252906-671d-4c77-83d5-2b5b5f2dfd2f

Fixed Issues

Severity	Issue	Source File / Package
	Client_Privacy_Violation	/apps/browser/src/vault/popup/components/vault-v2/vault-list-items-container/vault-list-items-container.component.html: 15
	Client_Privacy_Violation	/apps/browser/src/autofill/popup/settings/autofill-v1.component.ts: 104
	Client_Privacy_Violation	/apps/browser/src/vault/popup/components/vault-v2/attachments/open-attachments/open-attachments.component.ts: 50
	Client_Privacy_Violation	/apps/browser/src/autofill/popup/settings/autofill-v1.component.ts: 104

[codecov]

Codecov Report

Attention: Patch coverage is 93.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 34.19%. Comparing base (d422e85) to head (8386fdd).

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
libs/key-management/src/common/index.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12723      +/-   ##
==========================================
- Coverage   34.20%   34.19%   -0.01%     
==========================================
  Files        2937     2937              
  Lines       90141    90141              
  Branches    16926    16926              
==========================================
- Hits        30832    30825       -7     
- Misses      56870    56877       +7     
  Partials     2439     2439              

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