Slightly increase max attribute value width

[spacegaier]

Breaking change

Proposed change

With PR #7337 I changed the max-width for the attribute value from 200px to 50%. The goal was and still is to use more space esp. if a dialog is in wide-mode. However I did not consider that with all the padding, my 50% amounted to less than the original 200px, resulting in some cases where now values get split into two lines, e.g. timestamps.

This PR now increases the percentage to 60% so that around 200px will get used for the value before breaking into the second line.

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Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

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Additional information

• This PR fixes or closes issue: fixes #
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Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io