[xwiki-notifications] [[email protected]][Issue] (XWIKI-21727) The mimetype AttachmentValidationStep open a stream but does not close it

Attachments:

• attachment.html (text/html — 12.2 KB)
• attachment.png (image/png — 1.1 KB)
• attachment.png (image/png — 3.3 KB)
• attachment.png (image/png — 341 bytes)