[PM-16094] Remove lowercasing of vault page headers titles

[djsmith85]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-16094

📔 Objective

Nouns in different languages are capitalized. The .toLowerCase() used within the header overrides the translation which takes care of language-specific capitalization.

This was initially observed when using the German extension/web-vault

📸 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 – 7db29af8-f0d6-4473-9df1-76f2ee285f63

No New Or Fixed Issues Found

[codecov]

Codecov Report

Attention: Patch coverage is 26.66667% with 11 lines in your changes missing coverage. Please review.

Project coverage is 33.49%. Comparing base (b7ec74d) to head (9fa720d).
Report is 71 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...ponents/vault-v2/add-edit/add-edit-v2.component.ts	0.00%	5 Missing ⚠️
...s/vault-item-dialog/vault-item-dialog.component.ts	0.00%	5 Missing ⚠️
...p/components/vault-v2/view-v2/view-v2.component.ts	80.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #12438   +/-   ##
=======================================
  Coverage   33.49%   33.49%           
=======================================
  Files        2916     2916           
  Lines       91158    91158           
  Branches    17351    17351           
=======================================
  Hits        30533    30533           
  Misses      58218    58218           
  Partials     2407     2407           

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[gbubemismith]

Looks good 👍🏼