listDir is not working in ios gives me nothing while in android everything works good

# Bug Report
using listdir in ionic capacitor project gives me no albums on ios also i am not able to get any photos from albums in iphone local photos app
while in android everythings works ok
## Problem

### What is expected to happen?
It should show all the available albums name and also if u provide directory name then should gives us all video and photos in it

### Command or Code
this.fileNavigator.listDir(this.fileNavigator.dataDirectory, '').then(async entries => {
this.folderdata=entries;
})

### Environment, Platform, Device

Ionic:

Ionic CLI : 6.20.1 (/usr/local/lib/node_modules/@ionic/cli)
Ionic Framework : @ionic/angular 5.6.8
@angular-devkit/build-angular : 12.0.2
@angular-devkit/schematics : 12.0.2
@angular/cli : 12.0.2
@ionic/angular-toolkit : 4.0.0

Utility:

cordova-res : 0.15.4
native-run (update available: 1.7.2) : 1.3.0

System:

NodeJS : v14.20.0 (/usr/local/bin/node)
npm : 6.14.17
OS : macOS

## Checklist

- [ x] I searched for existing GitHub issues
- [ x] I updated all Cordova tooling to most recent version
- [ x] I included all the necessary information above

Start by reproducing the supplied listDir call in the reported Ionic project and trace the listDir entry point on iOS versus Android. Confirm whether the iOS result contains the expected album names and, when given a directory name, its photos and videos; use the reported environment details when checking the behavior.

Written by the indexing model from the issue text.