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/BcatMain.cs

@@ -0,0 +1,24 @@
+using Ryujinx.Horizon.LogManager;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Horizon.Bcat
+{
+    internal class BcatMain : IService
+    {
+        public static void Main(ServiceTable serviceTable)
+        {
+            BcatIpcServer ipcServer = new();
+
+            ipcServer.Initialize();
+
+            serviceTable.SignalServiceReady();
+
+            ipcServer.ServiceRequests();
+            ipcServer.Shutdown();
+        }
+    }
+}