Matomo is broken for the Pro platform

[manon-corneille]

Matomo is broken for the Pro platform. The same problem happened for our other platforms and it was fixed by @stephanegigandet a few months ago with this PR: #10946

Thank you for your help :)

[stephanegigandet]

ah, we currently send matomo off pro events to matomo off... :-|

[teolemon]

@github-throwaway Top bug is a democratic system based on upvotes. For priorities, use labels P0, P1, P2…