Fix ListOpenContextStoredUsers and stub LoadOpenContext (#3718)

* Fix ListOpenContextStoredUsers and stub LoadOpenContext

* Remove nonsensical comment

Ryujinx.HLE/HOS/Services/Account/Acc/AccountManager.cs

@@ -22,7 +22,8 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
         // outside of the AccountManager.
         private readonly HorizonClient _horizonClient;
 
-        private ConcurrentDictionary<string, UserProfile> _profiles;
+        private readonly ConcurrentDictionary<string, UserProfile> _profiles;
+        private UserProfile[] _storedOpenedUsers;
 
         public UserProfile LastOpenedUser { get; private set; }
 
@@ -31,6 +32,7 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
             _horizonClient = horizonClient;
 
             _profiles = new ConcurrentDictionary<string, UserProfile>();
+            _storedOpenedUsers = Array.Empty<UserProfile>();
 
             _accountSaveDataManager = new AccountSaveDataManager(_profiles);
 
@@ -221,6 +223,16 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
             return _profiles.Values.Where(x => x.AccountState == AccountState.Open);
         }
 
+        internal IEnumerable<UserProfile> GetStoredOpenedUsers()
+        {
+            return _storedOpenedUsers;
+        }
+
+        internal void StoreOpenedUsers()
+        {
+            _storedOpenedUsers = _profiles.Values.Where(x => x.AccountState == AccountState.Open).ToArray();
+        }
+
         internal UserProfile GetFirst()
         {
             return _profiles.First().Value;

Ryujinx.HLE/HOS/Services/Account/Acc/AccountService/ManagerServer.cs

@@ -162,7 +162,7 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc.AccountService
 
         public ResultCode StoreOpenContext(ServiceCtx context)
         {
-            Logger.Stub?.PrintStub(LogClass.ServiceAcc);
+            context.Device.System.AccountManager.StoreOpenedUsers();
 
             return ResultCode.Success;
         }

Ryujinx.HLE/HOS/Services/Account/Acc/ApplicationServiceServer.cs

@@ -201,6 +201,11 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
             return ResultCode.Success;
         }
 
+        public ResultCode ListOpenContextStoredUsers(ServiceCtx context)
+        {
+            return WriteUserList(context, context.Device.System.AccountManager.GetStoredOpenedUsers());
+        }
+
         public ResultCode ListQualifiedUsers(ServiceCtx context)
         {
             // TODO: Determine how users are "qualified". We assume all users are "qualified" for now.

Ryujinx.HLE/HOS/Services/Account/Acc/IAccountServiceForApplication.cs

@@ -1,5 +1,4 @@
 using Ryujinx.Common.Logging;
-using Ryujinx.Cpu;
 using Ryujinx.HLE.HOS.Services.Account.Acc.AccountService;
 using Ryujinx.HLE.HOS.Services.Arp;
 
@@ -139,20 +138,21 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
             return _applicationServiceServer.ClearSaveDataThumbnail(context);
         }
 
+        [CommandHipc(130)] // 5.0.0+
+        // LoadOpenContext(nn::account::Uid)
+        public ResultCode LoadOpenContext(ServiceCtx context)
+        {
+            Logger.Stub?.PrintStub(LogClass.ServiceAcc);
+
+            return ResultCode.Success;
+        }
+
+        [CommandHipc(60)] // 5.0.0-5.1.0
         [CommandHipc(131)] // 6.0.0+
         // ListOpenContextStoredUsers() -> array<nn::account::Uid, 0xa>
         public ResultCode ListOpenContextStoredUsers(ServiceCtx context)
         {
-            ulong outputPosition = context.Request.RecvListBuff[0].Position;
+            return _applicationServiceServer.ListOpenContextStoredUsers(context);
-            ulong outputSize     = context.Request.RecvListBuff[0].Size;
-
-            MemoryHelper.FillWithZeros(context.Memory, outputPosition, (int)outputSize);
-
-            // TODO: This seems to write stored userids of the OpenContext in the buffer. We needs to determine them.
-            
-            Logger.Stub?.PrintStub(LogClass.ServiceAcc);
-
-            return ResultCode.Success;
         }
 
         [CommandHipc(141)] // 6.0.0+