Issue #3635533 by jrockowitz: Support CAPTCHA 2.0.12 placement

Jacob Rockowitzrequested to merge
issue/webform-3635533:3635533-fix-webform-captcha into 6.3.x

AI-assisted by Codex

Closes #3635533

Summary

  • Handle CAPTCHA 2.0.12 placing the administration element under $form['elements']['captcha'].
  • Keep compatibility with older CAPTCHA versions that use $form['captcha'].
  • Update the administration helper text and links at the detected element location.

Testing

  • ddev phpunit web/modules/sandbox/webform/tests/src/Functional/Element/WebformElementCaptchaTest.php — passed (1 test, 4 assertions; 121 deprecations and 2 PHPUnit deprecations).
  • php -l third_party_settings/webform.captcha.inc and git diff --check — passed.
  • ddev code-review reports missing type hints on existing hook callbacks in the same file. Its ESLint and Stylelint steps are not applicable to this PHP file.

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