[PM-13783] Battle harden ProviderType enum expansion

[jonashendrickx]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-13783

📔 Objective

📸 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]

Codecov Report

Attention: Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 42.59%. Comparing base (702a81b) to head (d92a1f3).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
src/Core/Context/CurrentContext.cs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5004   +/-   ##
=======================================
  Coverage   42.58%   42.59%           
=======================================
  Files        1406     1406           
  Lines       65074    65075    +1     
  Branches     5962     5962           
=======================================
+ Hits        27715    27716    +1     
  Misses      36131    36131           
  Partials     1228     1228           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[github-actions]

Checkmarx One – Scan Summary & Details – 4daf6251-2429-444a-96c7-66892f190aca

Fixed Issues

Severity	Issue	Source File / Package
	CSRF	/src/Api/AdminConsole/Controllers/PoliciesController.cs: 68
	CSRF	/src/Api/Auth/Controllers/EmergencyAccessController.cs: 102
	CSRF	/src/Api/AdminConsole/Controllers/PoliciesController.cs: 89
	CSRF	/src/Api/AdminConsole/Controllers/PoliciesController.cs: 159
	CSRF	/src/Api/AdminConsole/Public/Controllers/PoliciesController.cs: 42
	CSRF	/src/Api/AdminConsole/Public/Controllers/PoliciesController.cs: 61
	CSRF	/src/Api/Auth/Controllers/EmergencyAccessController.cs: 159
	CSRF	/src/Api/Auth/Controllers/EmergencyAccessController.cs: 102
	Log_Forging	/src/Api/Auth/Controllers/EmergencyAccessController.cs: 102