Merge branch '217-category-selector-does-not-work' into 'develop'

Resolve "Category selector does not work"

Closes #217

See merge request !230
3 jobs for 204-backlink-to-event-list-is-missing in 3 minutes and 38 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #10135
test:php

00:00:17

 
  Build
passed #10136
build

00:01:58

 
  Layout
passed #10137
layout

00:01:22