Collabora link in confluence_attachments macro does not work

[lamblinc]

Having Collabora Connector installed alongside the Confluence Toolkit allows to have a Collabora link displayed in the confluence_attachments macro. Unfortunately it does not work.

Steps to reproduce
Steps to reproduce the problematic behavior:

1. Install the Confluence Toolkit as well as Collabora Connector Pro
2. Add an attachment into a page that is compatible with Collabora - Office file
3. Add the confluence_attachments macro to the page, save the page
4. Try to click on the Collabora link in the macro

Expected behavior
The attachment is opened with Collabora

Actual behavior
The link brings back to the page

Environment (please complete the following information):

• OS: NA
• Browser Chromium
• XWiki version 16.10.5
• App versionToolkit 1.0.27, Collabora 1.5.2