fix: Unable to do a transaction with a frozen object

kDrive/UI/Controller/Files/File List/InMemoryFileListViewModel.swift

@@ -40,8 +40,10 @@ class InMemoryFileListViewModel: FileListViewModel {
         }
 
         super.init(configuration: configuration, driveFileManager: driveFileManager, currentDirectory: currentDirectory)
+
+        let liveDirectory = try? currentDirectory.thaw()
         try? realm.write {
-            realm.add(currentDirectory)
+            realm.add(liveDirectory)
         }
         files = AnyRealmCollection(AnyRealmCollection(currentDirectory.children).filesSorted(by: sortType))
     }