[PM-18235] Add PersonalOwnershipPolicyRequirement (#5439)

* Add PersonalOwnershipPolicyRequirement for managing personal ownership policy

* Add tests for PersonalOwnershipPolicyRequirement

* Register PersonalOwnershipPolicyRequirement in policy requirement factory

* Update ImportCiphersCommand to check PersonalOwnershipPolicyRequirement if the PolicyRequirements flag is enabled

Update unit tests

* Update CipherService to support PersonalOwnershipPolicyRequirement with feature flag

- Add support for checking personal ownership policy using PolicyRequirementQuery when feature flag is enabled
- Update CipherService constructor to inject new dependencies
- Add tests for personal vault restrictions with and without feature flag

* Clean up redundant "Arrange", "Act", and "Assert" comments in test methods

* Refactor PersonalOwnershipPolicyRequirementTests method names for clarity

- Improve test method names to better describe their purpose and behavior
- Rename methods to follow a more descriptive naming convention
- No functional changes to the test logic

* Remove commented code explaining policy check

* Refactor PersonalOwnership Policy Requirement implementation

- Add PersonalOwnershipPolicyRequirementFactory to replace static Create method
- Simplify policy requirement creation logic
- Update PolicyServiceCollectionExtensions to register new factory
- Update ImportCiphersCommand to use correct user ID parameter
- Remove redundant PersonalOwnershipPolicyRequirementTests

* Remove redundant PersonalOwnershipPolicyRequirementTests

* Remove unnecessary tests from PersonalOwnershipPolicyRequirementFactoryTests

src/Core/AdminConsole/OrganizationFeatures/Policies/PolicyRequirements/PersonalOwnershipPolicyRequirement.cs

@@ -0,0 +1,26 @@
+using Bit.Core.AdminConsole.Enums;
+using Bit.Core.AdminConsole.Models.Data.Organizations.Policies;
+
+namespace Bit.Core.AdminConsole.OrganizationFeatures.Policies.PolicyRequirements;
+
+/// <summary>
+/// Policy requirements for the Disable Personal Ownership policy.
+/// </summary>
+public class PersonalOwnershipPolicyRequirement : IPolicyRequirement
+{
+    /// <summary>
+    /// Indicates whether Personal Ownership is disabled for the user. If true, members are required to save items to an organization.
+    /// </summary>
+    public bool DisablePersonalOwnership { get; init; }
+}
+
+public class PersonalOwnershipPolicyRequirementFactory : BasePolicyRequirementFactory<PersonalOwnershipPolicyRequirement>
+{
+    public override PolicyType PolicyType => PolicyType.PersonalOwnership;
+
+    public override PersonalOwnershipPolicyRequirement Create(IEnumerable<PolicyDetails> policyDetails)
+    {
+        var result = new PersonalOwnershipPolicyRequirement { DisablePersonalOwnership = policyDetails.Any() };
+        return result;
+    }
+}

src/Core/AdminConsole/OrganizationFeatures/Policies/PolicyServiceCollectionExtensions.cs

@@ -34,5 +34,6 @@ public static class PolicyServiceCollectionExtensions
         services.AddScoped<IPolicyRequirementFactory<IPolicyRequirement>, DisableSendPolicyRequirementFactory>();
         services.AddScoped<IPolicyRequirementFactory<IPolicyRequirement>, SendOptionsPolicyRequirementFactory>();
         services.AddScoped<IPolicyRequirementFactory<IPolicyRequirement>, ResetPasswordPolicyRequirementFactory>();
+        services.AddScoped<IPolicyRequirementFactory<IPolicyRequirement>, PersonalOwnershipPolicyRequirementFactory>();
     }
 }