Problem/Motivation
Hello, The FieldBlock.php block plugin (field_block) from layout_builder, which is used to display entity fields, does not throw a FormAjaxException, so AJAX forms provided from field formatters are not submitted.
Steps to reproduce
Create a formatter that provides an AJAX form, try to submit it, you will get the error: The field "field_name" failed to render with the error of "".
It is also necessary that in the entity_view_display configuration, this field should not be in the content section, since LayoutBuilderEntityViewDisplay::buildMultiple calls the parent EntityViewDisplay::buildMultiple, which duplicates the formatter view call, thereby skipping exceptions before it gets to FieldBlock.php.
Proposed resolution
Throw a FormAjaxException exception in the same way as you would with an EnforcedResponseException exception.
Remaining tasks
- Fix.
- Test coverage.
User interface changes
None.
API changes
None.
Data model changes
None.
Release notes snippet
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