* Change user query wording
There was some misunderstanding in the use of the user query feature,
probably because of the wording. I've change it to make it more obvious.
* Fix feedback when a query is bookmarked
Before, the displayed query name was not the one intended. Now, the name is the one of the current bookmark
* Document user queries
I've added a few words on how to use the user queries because it seems there was some misunderstanding. See #3219