Fix the HTML sent to mobilizon, because it is dirty from the metadata at the end of the post.

These words ("See less" and the following) should be stripped off. Below follow a screenshot from https://mobilizon.libr.events/events/c6bed30d-7c1d-467d-a177-85f7ae46f7e7

assigned to @daline

changed the description

This is the original

This is the clean repost

so it is fair to say: task completed!

changed the description

closed