PM-12733: Add error dialog to be displayed if TOTP code is blank

[david-livefront]

🎟️ Tracking

PM-12733

📔 Objective

This PR adds an error dialog to be displayed if the user attempts to enter a blank totp code.

⏰ 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 – 66ccde23-d59f-4e4e-84e5-eb51a9ca3a28

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 85.71429% with 5 lines in your changes missing coverage. Please review.

Project coverage is 88.99%. Comparing base (3092ba1) to head (8937929). Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...eature/manualcodeentry/ManualCodeEntryViewModel.kt	81.81%	3 Missing and 1 partial :warning:
...t/feature/manualcodeentry/ManualCodeEntryScreen.kt	92.30%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4345 +/- ## ======================================= Coverage 88.98% 88.99% ======================================= Files 452 452 Lines 39088 39120 +32 Branches 5513 5518 +5 ======================================= + Hits 34784 34814 +30 - Misses 2377 2378 +1 - Partials 1927 1928 +1 ```

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🚨 Try these New Features:

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

[david-livefront]

Thanks @dseverns-livefront