Preconditions:

• Uploaded at least 11 image files under Media or child folders.

Steps to reproduce

1. Log in to back office.
2. Go to Content / Media.
3. Start creating an Image content.
4. In richtext field input an image file to trigger image picker.
5. Being on image-picker, select Media folder.
6. Switch pagination page to second one.
7. Select a sub folder in content tree which contains image files.

Actual result:

Pagination doesn't change offset. User cannot display image file / files from selected folder in content tree.

Expected result:

Pagination does change offset and user can display image file / files from selected folder in content-tree.