[VFS] Skip treating NT Device paths root as non-directory.

This fixes cache initialization failure

src/xenia/vfs/virtual_file_system.cc

@@ -245,7 +245,11 @@ X_STATUS VirtualFileSystem::OpenFile(Entry* root_entry,
     }
 
     if (!(entry->attributes() & kFileAttributeDirectory) && is_directory) {
-      return X_STATUS_NOT_A_DIRECTORY;
+      // Device root should be treated as a directory, but because we do not
+      // emulate that correctly for now I will leave this ugly hack.
+      if (!entry->absolute_path().starts_with("\\Device")) {
+        return X_STATUS_NOT_A_DIRECTORY;
+      }
     }
 
     // If the entry does not exist on the host then remove the cached entry