Adds the mega power to make Super Saiyan fusion between website_slides and website_forum
A slide.channel can now be linked to a forum to allow users to discuss about their courses.
Overrides the slides profile routes to include the potiential linked forum.
The profile page will display now all the information of a specific channel with, also, all the
information of the linked forum. If no channel is specified, the profile page shows
everything (information about all channel and information about all forum).
Task ID : 1922159
PR #30988
