[PM-32131] Add UseMyItems organization ability

[eliykat]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-32131

📔 Objective

Add a UseMyItems organization ability. This can be manually toggled off in the Bitwarden Portal in order to disable the creation of My Items when using the Organization Data Ownership policy. It will be on by default and only disabled upon customer request.

This PR adds the ability, handles setting the default value, and allows it to be manually overridden. It does not wire it up to any business logic yet.

This was added following the instructions in #6970.

Design decision
We could structure this as UseMyItems (positive) or DisableMyItems (negative). I went with UseMyItems because:

• My Items is a feature, and this follows the pattern of all other features (i.e. we have UseSso, not DisableSso)
• it's conceptually clearer to "enable or disable the feature" rather than "enable the flag that disables the feature" (inverted)

Summary of changes

• new organization table column with all sprocs and views updated
• data migration to enable the feature for all organizations that already use policies (replicating existing behaviour)
  • note: most LOC changes are due to autogenerated db migrations, but open to feedback if this PR needs to be split up
• data and api models updated
• added to organization license file so it can be preserved in self-hosted instances
• note that we don't have a plan feature defined for this yet, so it is set based on UsePolicies to match the migration logic. Billing Team have a ticket to add this, and I have marked the affected locations with TODOs, including ticket reference.

📸 Screenshots

[github-actions]

Checkmarx One – Scan Summary & Details – 1895540c-091e-4a39-9db0-351a08fd9148

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

[codecov]

Codecov Report

❌ Patch coverage is 60.78431% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.70%. Comparing base (5c77ae9) to head (8bc5736).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
...Admin/AdminConsole/Models/OrganizationEditModel.cs	8.33%	11 Missing ⚠️
...dminConsole/Controllers/OrganizationsController.cs	20.00%	3 Missing and 1 partial ⚠️
...illing/Organizations/Models/OrganizationLicense.cs	50.00%	3 Missing ⚠️
...lling/Providers/Services/ProviderBillingService.cs	0.00%	1 Missing ⚠️
.../Core/AdminConsole/Services/OrganizationFactory.cs	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7014      +/-   ##
==========================================
+ Coverage   56.69%   60.70%   +4.00%     
==========================================
  Files        2013     2013              
  Lines       88125    88171      +46     
  Branches     7848     7851       +3     
==========================================
+ Hits        49965    53524    +3559     
+ Misses      36341    32744    -3597     
- Partials     1819     1903      +84     

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[rkac-bw]

lgtm

[sonarqubecloud]

Quality Gate passed

Issues
5 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
56.9% Duplication on New Code

See analysis details on SonarQube Cloud

[eliykat]

This is ready for merge, I just had to bump migration dates as I'd been overtaken on main.