@ symbol in directory name causes it to become a FileEntry

When running the below code

```
listDir(path){
window.resolveLocalFileSystemURL(path,
function (fileSystem) {
var reader = fileSystem.createReader();
reader.readEntries(
function (entries) {
console.log(entries);
},
function (err) {
console.log(err);
}
);
}, function (err) {
console.log(err);
}
);
}
```

Any folder names that contain an @ symbol become a file incorrectly

Despite containing multiple files

Any directories without an @ in their name are unaffected

Any assistance would be greatly appreciated

Start by reproducing listDir with a directory whose name contains @, then trace resolveLocalFileSystemURL through createReader and readEntries to identify where the directory is classified as a file. Done means readEntries returns the directory as a directory with its contents, while directories without @ continue to work.

Written by the indexing model from the issue text.