Update to LibHac 0.19.0 (#5831)

* Update to LibHac v0.19.0

- PartitionFileSystem classes now fully match Nintendo's implementation. Current code creating a PartitionFileSystem now need to use the Initialize method.
- Implementing nn::gcsrv and nn::sdmmcsrv now means the FS server now uses that abstraction instead of the old one where we passed in an IDeviceOperator.

* Add GetFileSystemAttribute

src/Ryujinx.HLE/HOS/ModLoader.cs

@@ -533,7 +533,9 @@ namespace Ryujinx.HLE.HOS
 
             Logger.Info?.Print(LogClass.ModLoader, "Using replacement ExeFS partition");
 
-            exefs = new PartitionFileSystem(mods.ExefsContainers[0].Path.OpenRead().AsStorage());
+            var pfs = new PartitionFileSystem();
+            pfs.Initialize(mods.ExefsContainers[0].Path.OpenRead().AsStorage()).ThrowIfFailure();
+            exefs = pfs;
 
             return true;
         }