[PM-11404] Account Management: Prevent a verified user from purging their vault (#4853)

* Add check for managed user before purging account

* Rename IOrganizationRepository.GetByClaimedUserDomainAsync to GetByVerifiedUserEmailDomainAsync and refactor to return a list. Remove ManagedByOrganizationId from ProfileResponseMode. Add ManagesActiveUser to ProfileOrganizationResponseModel

* Rename the property ManagesActiveUser to UserIsManagedByOrganization

* Remove whole class #nullable enable and add it to specific places

* Remove unnecessary .ToList()

* Refactor IUserService methods GetOrganizationsManagingUserAsync and IsManagedByAnyOrganizationAsync to not return nullable objects. Update ProfileOrganizationResponseModel.UserIsManagedByOrganization to not be nullable

* Update error message when unable to purge vault for managed account

src/Api/AdminConsole/Controllers/OrganizationsController.cs

@@ -124,7 +124,11 @@ public class OrganizationsController : Controller
         var userId = _userService.GetProperUserId(User).Value;
         var organizations = await _organizationUserRepository.GetManyDetailsByUserAsync(userId,
             OrganizationUserStatusType.Confirmed);
-        var responses = organizations.Select(o => new ProfileOrganizationResponseModel(o));
+
+        var organizationManagingActiveUser = await _userService.GetOrganizationsManagingUserAsync(userId);
+        var organizationIdsManagingActiveUser = organizationManagingActiveUser.Select(o => o.Id);
+
+        var responses = organizations.Select(o => new ProfileOrganizationResponseModel(o, organizationIdsManagingActiveUser));
         return new ListResponseModel<ProfileOrganizationResponseModel>(responses);
     }