Visible hidden directories

[howkymike]

Describe the bug
A hidden directory (with sys:hidden aspect) is visible when chekcing "Folder" type filter.

Environment

• ACA version: 4.0.0-A.3
• ACS version: 7.2

To Reproduce
Steps to reproduce the behavior:

1. Go to 'My Libraries' and click on any library
2. Apply "Folder" type filter
3. 'surf-config' directory will be visible (this directory will only exist if the given site is also used in the Alfresco Share)

Expected behavior
A directory with the 'sys:hidden' aspect should not be visible

Screenshots

Additional context
In the "content-node-selector-panel.component" in the "showFilesInResult" method I propose to add AND NOT ASPECT:'sys:hidden'