Use the TYPO3_REQUEST for getting moduleData within PageLayoutHeader

[RinyVT]

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• I've searched for any related issues and avoided creating a duplicate issue.

Please give us a description of what happened.

Within the PageLayoutHeader the BackendUtility::getModuleData is being used.
The underlying functionality sets the module data properties (function, language, constant_editor_cat) to null if nothing is present in the backend user's uc.
This causes a problem if the default values for the web_layout module are changed, for example with the PSR-14 event https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/ApiOverview/Events/Events/Backend/BeforeModuleCreationEvent.html#BeforeModuleCreationEvent

Please describe what you expected to happen and why.

Starting from 12, the moduleData is present in the TYPO3_REQUEST. The advantage of that is that it merges the default values from the backend module with the ones in the uc.

This should be changed in the getLanguageId method of PageLayoutHeader.
If the languageId is -1 ("All Languages") it should return 0 just like within content elements.

Technical info

• TYPO3 version: 12.4.24
• Yoast SEO version: 10.0.0