[xwiki-notifications] [jira@xwiki.org][Issue] (XWIKI-19404) Some default attachments from the Help application appear in the Attachments Index but they can't be sorted / filtered by Type

Attachments:

• attachment.html (text/html — 14.4 KB)
• attachment.png (image/png — 1.1 KB)
• attachment.png (image/png — 341 bytes)
• attachment.png (image/png — 3.3 KB)