"Edit" button is missing (FF)

[ildar170975]

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

1. Select some view with some card on a dashboard in a storage mode.
2. Switch to "edit mode".
3. Check that the card has an "Edit" button.
4. Refresh a page (F5).
5. Check that the "Edit" button is not displayed.

Managed to reproduce this glitch in a dark & light themes - but only in FF 135.0.1.
Do NOT see the glitch in Safe mode.
Do NOT see the glitch in Chrome 134.0.6998.36.

Describe the behavior you expected

The "Edit" button is shown after F5.

Steps to reproduce the issue

as above

What version of Home Assistant Core has the issue?

2025.3.0b4

What was the last working version of Home Assistant Core?

No response

In which browser are you experiencing the issue?

FF 135.0.1

Which operating system are you using to run this browser?

Win10x64

State of relevant entities

Problem-relevant frontend configuration

Javascript errors shown in your browser console/inspector

Additional information

No response

[ildar170975]

Code inspector in Chrome, when the label is shown:

A similar "inspector" in FF when the label is not shown: