[AC-2426] Allow editing of client organization name (#4072)

* Allow editing of client organization name

* Removing unnecessary using for linter

src/Api/Billing/Controllers/ProviderClientsController.cs

@@ -133,10 +133,17 @@ public class ProviderClientsController(
             return TypedResults.Problem();
         }
 
-        await assignSeatsToClientOrganizationCommand.AssignSeatsToClientOrganization(
-            provider,
-            clientOrganization,
-            requestBody.AssignedSeats);
+        if (clientOrganization.Seats != requestBody.AssignedSeats)
+        {
+            await assignSeatsToClientOrganizationCommand.AssignSeatsToClientOrganization(
+                provider,
+                clientOrganization,
+                requestBody.AssignedSeats);
+        }
+
+        clientOrganization.Name = requestBody.Name;
+
+        await organizationRepository.ReplaceAsync(clientOrganization);
 
         return TypedResults.Ok();
     }

src/Api/Billing/Models/Requests/UpdateClientOrganizationRequestBody.cs

@@ -7,4 +7,7 @@ public class UpdateClientOrganizationRequestBody
     [Required]
     [Range(0, int.MaxValue, ErrorMessage = "You cannot assign negative seats to a client organization.")]
     public int AssignedSeats { get; set; }
+
+    [Required]
+    public string Name { get; set; }
 }