[PM-15056] Add exportVaultDataToCxf function to VaultRepository

[SaintPatrck]

🎟️ Tracking

PM-15056

📔 Objective

Introduce the exportVaultDataToCxf function to the VaultRepository and its implementation. This function allows exporting selected ciphers to a CXF file.

The following changes were made:

• Added getSelectedCiphers to CiphersDao and VaultDiskSource to retrieve specific ciphers by their IDs.
• Created an AccountJson.toSdkAccount() extension function to convert AccountJson to the SDK's Account model.
• Implemented exportVaultDataToCxf in VaultRepositoryImpl to utilize the new data source methods and the SDK for CXF export.
• Added corresponding tests for the new functionalities.

⏰ 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 – 52a5311a-6f95-4979-984a-b03ebe2fd0d6

Great job! No new security vulnerabilities introduced in this pull request

[codecov]

Codecov Report

❌ Patch coverage is 78.57143% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.90%. Comparing base (1d6e733) to head (e564ab2).

Files with missing lines	Patch %	Lines
...arden/data/vault/repository/VaultRepositoryImpl.kt	57.14%	2 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5847      +/-   ##
==========================================
- Coverage   83.91%   83.90%   -0.02%     
==========================================
  Files         693      694       +1     
  Lines       53353    53381      +28     
  Branches     7331     7335       +4     
==========================================
+ Hits        44773    44790      +17     
- Misses       5993     6000       +7     
- Partials     2587     2591       +4     

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[david-livefront]

Can we do this and avoid the extra error:

    override suspend fun exportVaultDataToCxf(
        ciphers: List<CipherListView>,
    ): Result<String> {
        val account = authDiskSource.userState
            ?.activeAccount
            ?.toSdkAccount()
            ?: return NoActiveUserException().asFailure()
        val userId = account.id
        ...