[SG-841] Refactor GetOrganizationApiKeyCommand (#2436)

* Renamed and split up class to only query for an organization key

* Added a command class to create an organization api key

* Updated service registration and controller to include new changes

* Updated test cases to reflect refactor

* fixed lint issues

* Fixed PR comment

src/Core/OrganizationFeatures/OrganizationApiKeys/GetOrganizationApiKeyQuery.cs

@@ -0,0 +1,30 @@
+using Bit.Core.Entities;
+using Bit.Core.Enums;
+using Bit.Core.OrganizationFeatures.OrganizationApiKeys.Interfaces;
+using Bit.Core.Repositories;
+
+namespace Bit.Core.OrganizationFeatures.OrganizationApiKeys;
+
+public class GetOrganizationApiKeyQuery : IGetOrganizationApiKeyQuery
+{
+    private readonly IOrganizationApiKeyRepository _organizationApiKeyRepository;
+
+    public GetOrganizationApiKeyQuery(IOrganizationApiKeyRepository organizationApiKeyRepository)
+    {
+        _organizationApiKeyRepository = organizationApiKeyRepository;
+    }
+
+    public async Task<OrganizationApiKey> GetOrganizationApiKeyAsync(Guid organizationId, OrganizationApiKeyType organizationApiKeyType)
+    {
+        if (!Enum.IsDefined(organizationApiKeyType))
+        {
+            throw new ArgumentOutOfRangeException(nameof(organizationApiKeyType), $"Invalid value for enum {nameof(OrganizationApiKeyType)}");
+        }
+
+        var apiKeys = await _organizationApiKeyRepository
+            .GetManyByOrganizationIdTypeAsync(organizationId, organizationApiKeyType);
+
+        // NOTE: Currently we only allow one type of api key per organization
+        return apiKeys.Single();
+    }
+}