[PM-14952] - show "close" button if user doesn't have edit permission in vault dialog trash

[jaasen-livefront]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-14952

📔 Objective

This PR replaces the "Edit" button with a "Cancel" button while a user without edit permission is viewing an item in the trash. It also cleans up a bit of the logic in the component.

📸 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 – 02487feb-8e7d-4961-96a8-ab2674b10d85

Great job, no security vulnerabilities found in this Pull Request

[codecov]

Codecov Report

Attention: Patch coverage is 12.50000% with 7 lines in your changes missing coverage. Please review.

Project coverage is 35.11%. Comparing base (649a196) to head (4612069).
Report is 14 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...s/vault-item-dialog/vault-item-dialog.component.ts	12.50%	7 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##             main   #13036    +/-   ##
========================================
  Coverage   35.10%   35.11%            
========================================
  Files        2990     3000    +10     
  Lines       91071    91301   +230     
  Branches    17049    17092    +43     
========================================
+ Hits        31968    32056    +88     
- Misses      56610    56743   +133     
- Partials     2493     2502     +9     

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