Bug/4727 crashing form after changing user variable to array #14243

Job	Run time
Run the Django test suite	7m 37s
Set up docker build 'dynamic' env variables	1s
Build and check documentation	10m 43s
End-to-end tests, chromium	16m 18s
End-to-end tests, firefox	20m 2s
End-to-end tests, webkit	14m 43s
Run the Django test suite in reverse	5m 50s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 45s
docker_build (production) / Build image	2m 52s
Scan docker image	2m 32s
Simulate upgrading instances (2.7.4)	1m 21s
Simulate upgrading instances (2.7.8)	1m 28s
Check for unexepected OAS changes	18s
Generate SDKs from OAS	33s
Generate Postman collection from OAS	21s
Validate OAS	15s
Push Docker image	0s
update-docker-readme	0s
	1h 27m 39s

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