Bug/4727 crashing form after changing user variable to array #14342

Job	Run time
Set up docker build 'dynamic' env variables	1s
Build and check documentation	2m 51s
End-to-end tests, chromium	14m 1s
Run the Django test suite	7m 54s
Run the Django test suite in reverse	5m 51s
End-to-end tests, firefox	17m 32s
End-to-end tests, webkit	12m 41s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 51s
docker_build (production) / Build image	2m 53s
Scan docker image	2m 34s
Simulate upgrading instances (2.7.4)	1m 25s
Simulate upgrading instances (2.7.8)	1m 15s
Check for unexepected OAS changes	4s
Generate SDKs from OAS	34s
Generate Postman collection from OAS	13s
Validate OAS	13s
Push Docker image	0s
update-docker-readme	0s
	1h 12m 53s

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