Broken date view in device information entity overwiew

[gummiangler]

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

When on the device information page, date entities are broken and overlap with other frontend elements.

Describe the behavior you expected

Correct formatted and not overlapping UI components.

Steps to reproduce the issue

1. Add a device with a date entity
2. Go to the device information page https://homeassistant.local:8123/config/devices/device/xxxxxxxxxxxx
3. Look a the date entity

What version of Home Assistant Core has the issue?

core-2026.4.1

What was the last working version of Home Assistant Core?

core-2026.3.4

In which browser are you experiencing the issue?

Firefox 148.0.2

Which operating system are you using to run this browser?

Linux OpenSUSE Tumbleweed, Android App

State of relevant entities

Problem-relevant frontend configuration

JavaScript errors shown in your browser console/inspector

Additional information

No response