[#5074] Transform data for `selectboxes` in the registrations (variables tab) #15671

Job	Run time
Run the Django test suite	7m 39s
Run the Django test suite in reverse	5m 44s
Build and check documentation	1m 38s
End-to-end tests, chromium	14m 27s
End-to-end tests, firefox	17m 34s
End-to-end tests, webkit	14m 46s
Set up docker build 'dynamic' env variables	4s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 55s
docker_build (production) / Build image	2m 56s
Scan docker image	2m 34s
Simulate upgrading instances (3.0.1)	1m 26s
Check for unexepected OAS changes	-1s
Generate SDKs from OAS	-1s
Validate OAS	-1s
Generate Postman collection from OAS	-1s
Push Docker image	0s
update-docker-readme	-1s
Run the Django test suite	8m 11s
End-to-end tests, webkit	14m 46s
End-to-end tests, firefox	17m 34s
Run the Django test suite in reverse	5m 44s
docker_build (production) / Build image	2m 56s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 55s
Simulate upgrading instances (3.0.1)	1m 26s
Scan docker image	2m 34s
End-to-end tests, chromium	14m 27s
Build and check documentation	1m 38s
Set up docker build 'dynamic' env variables	4s
Check for unexepected OAS changes	4s
Generate SDKs from OAS	39s
Generate Postman collection from OAS	13s
Validate OAS	18s
Push Docker image	0s
update-docker-readme	0s
	2h 25m 7s

Provide feedback