fix(dataset-editor): drop null warning_markdown from extra JSON serialisation (#39706)

Co-authored-by: Mike Bridge <michael.bridge@ext.preset.io>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Mike Bridge committed 28d ago

4cc71f49e68d40891646389a8cfac076edb4b6f7

Parent: 04aa096

Committed by kasiazjc <zjckatarzyna@gmail.com> on 5/26/2026, 6:04:23 AM