[xwiki-notifications] [jira@xwiki.org][Issue] Updates for XWIKI-23343: Improve the error message displayed when attaching a file with an allowed Mimetype extension but its content doesn't match the allowed Mimetype

Attachments:

• attachment.html (text/html — 15.1 KB)
• attachment.png (image/png — 3.0 KB)
• attachment.png (image/png — 267 bytes)