IPC - Refactor Bcat service to use new ipc - Revisit (#4803)

* bcat ipc

* fix hipc buffer flags

* add buffer fixed size flag on generator

src/Ryujinx.Horizon/Bcat/Ipc/ServiceCreator/BcatService.cs

@@ -0,0 +1,25 @@
+using Ryujinx.Horizon.Bcat.Types;
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Bcat;
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Bcat.Ipc
+{
+    partial class BcatService : IBcatService
+    {
+        private readonly BcatServicePermissionLevel _permissionLevel;
+
+        public BcatService(BcatServicePermissionLevel permissionLevel)
+        {
+            _permissionLevel = permissionLevel;
+        }
+
+        [CmifCommand(10100)]
+        public Result RequestSyncDeliveryCache(out IDeliveryCacheProgressService deliveryCacheProgressService)
+        {
+            deliveryCacheProgressService = new DeliveryCacheProgressService();
+
+            return Result.Success;
+        }
+    }
+}