Fix thermostat and humidifier card rendering when off

[piitaya]

Proposed change

This PR fixes 2 issues with thermostat card and humidifier card.

Always display temperature (current or target), even if the state if off.

If no temperature is available, display the state at the center instead of label to have bigger text.

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

Example configuration

Additional information

• This PR fixes or closes issue: fixes Thermostat/Humidifier Not showing temp when "show current temperature as primary information" enabled and device is off #19271
• This PR is related to issue or discussion:
• Link to documentation pull request:

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