fix: Add ASTRO BOT compatibility stubs (#481)

* Add ASTRO BOT compatibility stubs

* Fix ASTRO BOT compatibility stubs

src/SharpEmu.Libs/UserService/UserServiceExports.cs

@@ -118,7 +118,7 @@ public static class UserServiceExports
         var userId = unchecked((int)ctx[CpuRegister.Rdi]);
         var nameAddress = ctx[CpuRegister.Rsi];
         var capacity = ctx[CpuRegister.Rdx];
-        if (userId != PrimaryUserId)
+        if (userId != PrimaryUserId && userId != 1)
         {
             return SetReturn(ctx, OrbisUserServiceErrorInvalidParameter);
         }
@@ -144,6 +144,16 @@ public static class UserServiceExports
             : SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
     }
 
+    // Title-captured alias NID for the same username query.
+    #pragma warning disable SHEM004
+    [SysAbiExport(
+        Nid = "znaWI0gpuo8",
+        ExportName = "sceUserServiceGetUserName",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceUserService")]
+    public static int UserServiceGetUserNameAlt(CpuContext ctx) => UserServiceGetUserName(ctx);
+    #pragma warning restore SHEM004
+
     // Name not yet in ps5_names.txt and the NID was captured from titles; revisit when the symbol is catalogued.
     #pragma warning disable SHEM006
     [SysAbiExport(