Filament 5.10.3 wraps a section's heading and header actions in
.fi-section-header-content. The stylesheet was built against 5.10.2 and
had no rules for it, so header actions wrapped below the heading.
Rebuild against 5.10.3 and require it, so the stylesheet always matches
the markup.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>