Overlappint lines in sankey-chart

[ximex]

Checklist

• I have updated to the latest available Home Assistant version.
• I have cleared the cache of my browser.
• I have tried a different browser to see if it is related to my browser.
• I have tried reproducing the issue in safe mode to rule out problems with unsupported custom resources.

Describe the issue you are experiencing

see the orange and green overlapping lines in the chart

Describe the behavior you expected

No unnecessary overlapping lines in the chart

Steps to reproduce the issue

1. Go to the energy dashboard
2. scroll down to the energyflow graph

What version of Home Assistant Core has the issue?

2025.11.1

What was the last working version of Home Assistant Core?

No response

In which browser are you experiencing the issue?

No response

Which operating system are you using to run this browser?

No response

State of relevant entities

Problem-relevant frontend configuration

JavaScript errors shown in your browser console/inspector

Additional information

No response