K3.0 + : Attachment icon is displayed without attachments #2387 #2463 

- [x] delete attachments in backend File Manager
K3.0 + : Attachment icon is displayed without attachments #2387 #2463 

- [x] delete attachments in frontend (Profile) File Manager
Merge pull request #4 from 810/patch-9

K3.0 + : Attachment icon is displayed without attachments #2387 #2463