Logbook: Duplicate items after automatic refresh

[EinfachHans]

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

In the logbook section when the page is refreshed automatically after a page re-entering the items are available duplicated.

Describe the behavior you expected

The entries should not duplicate after this refresh

Steps to reproduce the issue

1. Go to the logbook section
2. Leave the browser
3. Wait
4. Enter browser again
5. The page automatically refreshes and shows duplicated entries
   ...

What version of Home Assistant Core has the issue?

core-2025.3.1

What was the last working version of Home Assistant Core?

No response

In which browser are you experiencing the issue?

Safari & Companion App

Which operating system are you using to run this browser?

iOS 18.3.1

State of relevant entities

Problem-relevant frontend configuration

Javascript errors shown in your browser console/inspector

Additional information

I originally mentioned this in the companion app where it seems easier to reproduce but was also able to reproduce in browser so i guess it is not a bug in the app itself.