PM-15025: Update sendVerificationEmail to handle error responses

[david-livefront]

🎟️ Tracking

PM-15025

📔 Objective

This PR updates the sendVerificationEmail API to properly parse error messages from the server so they can be displayed to the user.

📸 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
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation 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[bot]]

Checkmarx One – Scan Summary & Details – e7481d16-1400-4ab7-8009-08980a7e64f9

New Issues

Severity	Issue	Source File / Package	Checkmarx Insight
	Privacy_Violation	/app/src/main/java/com/x8bit/bitwarden/ui/vault/feature/item/VaultItemViewModel.kt: 875	Attack Vector

Fixed Issues

Severity	Issue	Source File / Package
	Unpinned Actions Full Length Commit SHA	/crowdin-pull.yml: 26

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 92.85714% with 1 line in your changes missing coverage. Please review.

Project coverage is 88.99%. Comparing base (d418444) to head (4945d10). Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
.../datasource/network/service/IdentityServiceImpl.kt	87.50%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4336 +/- ## ======================================= Coverage 88.99% 88.99% ======================================= Files 453 453 Lines 39097 39109 +12 Branches 5510 5513 +3 ======================================= + Hits 34794 34805 +11 Misses 2377 2377 - Partials 1926 1927 +1 ```

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• Flaky Tests Detection - Detect and resolve failed and flaky tests

[david-livefront]

Thanks @SaintPatrck