search by category does not work

Description

Events have now a category (meeting by default). The search page has a field to

Steps to Reproduce

1. go to search page (/search)
2. in category field, choose a category

or

1. load the search URL directly : https://mobilizon.fr/search?eventCategory=MUSIC

Expected behaviour:

Search is launched and only events of the selected category are displayed.

Actual behaviour:

Nothing append. All events are displayed.

Reproduces how often:

100%

Versions

2.1.0

Additional Information

[Any additional information, configuration or data that might be necessary to reproduce the issue.]