[PM-13113] - account for potential null config in SendFilePopoutDialogContainerComponent

[jaasen-livefront]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-13113

📔 Objective

This PR attempts to fix the issue of the extension window closing after selecting a file in the file send.

📸 Screenshots

⏰ 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

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 33.25%. Comparing base (d1c3a98) to head (1c4bb24). Report is 168 commits behind head on main.

:white_check_mark: All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...log/send-file-popout-dialog-container.component.ts	0.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11372      +/-   ##
==========================================
- Coverage   33.26%   33.25%   -0.01%     
==========================================
  Files        2728     2728              
  Lines       85412    85413       +1     
  Branches    16277    16278       +1     
==========================================
- Hits        28414    28407       -7     
- Misses      54748    54756       +8     
  Partials     2250     2250              

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[github-actions[bot]]

Checkmarx One – Scan Summary & Details – 20d9ccda-71d2-4534-9f49-663b19e8f0fb

Fixed Issues

Severity	Issue	Source File / Package
	Client_JQuery_Deprecated_Symbols	/libs/importer/src/services/import.service.ts: 459