No mapping lines for deeper nodes until expanded

[igarashitm]

Describe the Bug

When the node is deeper than 3rd, mapping lines are not drawn until it's expanded. It needs to trace the parent even when the node hasn't been rendered in the DOM.

Steps to Reproduce the Bug or Issue

1. Open the DataMapper step in this route - https://github.com/igarashitm/camel-x12-837-poc/blob/main/02.x12-837/x12-837-datamapper.camel.yaml

Screenshots or Videos

2025-01-16.09-49-20.mp4

Platform

• OS: [e.g. macOS, Windows, Linux]
• Browser: [e.g. Chrome, Safari, Firefox]
• Version: [e.g. 0.30.0]