Updated to DSM 7 and started to use the Synology Photos app.  I have about 10 years of photos there now using the "shared space" and want Emby to be able to play though them since all my family members share that directory in the Photo app.  When attempting to set the folder to the subfolder that I made in the Photo's app Emby cannot see into that directory.  When looking at the security settings I set the permissions for the share to Emby's system account that it runs under:   But