UX improvements: modal registration forms for email and stuf #14299

Job	Run time
Build and check documentation	4m 12s
End-to-end tests, chromium	13m 27s
Run the Django test suite	7m 40s
End-to-end tests, firefox	16m 50s
End-to-end tests, webkit	12m 8s
Run the Django test suite in reverse	5m 33s
Set up docker build 'dynamic' env variables	1s
docker_build (production) / Build image	2m 51s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 47s
Scan docker image	2m 6s
Simulate upgrading instances (2.7.4)	1m 16s
Simulate upgrading instances (2.7.8)	1m 22s
Check for unexepected OAS changes	8s
Validate OAS	13s
Generate SDKs from OAS	34s
Generate Postman collection from OAS	14s
Push Docker image	0s
update-docker-readme	0s
	1h 11m 22s

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