Replace thrown error with graceful handling when a record's ID is not found in its initial record group's ID list during drag-and-drop. This state desync can occur during multi-drag operations or rapid navigation. Instead of crashing, the move now proceeds by skipping the removal step (record wasn't in the list anyway) and still completing the drop. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>