feat(auth): remove Keycloak integration from CKAN and user portal

[hcvdwerf]

• Disabled Keycloak in user portal extension

Summary by Sourcery

Remove Keycloak integration from the CKAN user portal by updating the login link to use the default user login route instead of the OIDC PKCE route.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request removes the Keycloak integration from CKAN and the user portal. The main change is in the header template, where the login link is modified to use the standard CKAN login route instead of the Keycloak-specific OIDC route.

File-Level Changes

Change	Details	Files
Modified login link in header template to remove Keycloak integration	Replaced OIDC-PKCE login route with standard CKAN login route Updated the login icon from 'fa-sign-in' to 'fa-sign' Restructured the HTML for better readability	ckanext/gdi_userportal/templates/header.html

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[sourcery-ai]

Hey @hcvdwerf - I've reviewed your changes - here's some feedback:

Overall Comments:

• Could you provide more context about why Keycloak is being removed? It would be helpful to understand the reasoning behind this architectural change.
• What is the authentication strategy going forward? Is there a replacement for Keycloak, or are you reverting to CKAN's default authentication?

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud