Merge pull request #723 from maykinmedia/fix/721-selectielijstklasse #1957

Job	Run time
Run the Django test suite	2m 9s
Build and check documentation	1m 10s
Build frontend	1m 5s
Build docker image (production, docker) / Build image	1m 58s
Build docker image (dev, -dev, dev) / Build image	1m 58s
Run storybook tests	2m 40s
End-to-end tests, chromium	6m 8s
End-to-end tests, firefox	7m 41s
End-to-end tests, webkit	7m 24s
Push Docker image	0s
	32m 13s

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