WIP: fix custom attributes breaking wizard

[melizeche]

Fixes #22637

The codemirror change handler read ev.detail.value, but detail is the editor view, so fixedDataRaw became undefined and YAML.parse threw, leaving Next disabled. Now it reads .value off the target with raw set.

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Checklist

• The project has been linted, built, and tested (make all)
• The documentation has been updated and formatted (make docs)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.24%. Comparing base (6df2261) to head (6843491).
⚠️ Report is 41 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #23165      +/-   ##
==========================================
- Coverage   93.27%   93.24%   -0.04%     
==========================================
  Files        1032     1035       +3     
  Lines       60196    60314     +118     
  Branches      400      400              
==========================================
+ Hits        56150    56238      +88     
- Misses       4046     4076      +30     

Flag	Coverage Δ
conformance	36.46% <ø> (-0.07%)	⬇️
e2e	41.71% <ø> (-0.08%)	⬇️
integration	32.41% <ø> (-0.55%)	⬇️
rust	0.00% <ø> (ø)
unit	92.22% <ø> (+0.01%)	⬆️
unit-migrate	92.25% <ø> (+0.01%)	⬆️

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[github-actions]

authentik PR Installation instructions

Instructions for docker-compose

Add the following block to your .env file:

AUTHENTIK_IMAGE=ghcr.io/goauthentik/dev-server
AUTHENTIK_TAG=gh-68434917aeb71a6c6e316fe199cdeb7a8e08f0b7
AUTHENTIK_OUTPOSTS__CONTAINER_IMAGE_BASE=ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s

Afterwards, run the upgrade commands from the latest release notes.

Instructions for Kubernetes

Add the following block to your values.yml file:

authentik:
    outposts:
        container_image_base: ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s
global:
    image:
        repository: ghcr.io/goauthentik/dev-server
        tag: gh-68434917aeb71a6c6e316fe199cdeb7a8e08f0b7

Afterwards, run the upgrade commands from the latest release notes.