Enhancement: support ESPHome widget authentication

[juanisierra]

Proposed change

Added support for cookie authentication in the ESPHome widget. This is the only authentication method currently supported by the ESPHome Dashboard.

Type of change

• [ ] New service widget
• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Documentation only
• [ ] Other (please explain)

Checklist:

• [x] If applicable, I have added corresponding documentation changes.
• [x] If applicable, I have reviewed the feature and / or service widget guidelines.
• [x] I have checked that all code style checks pass using pre-commit hooks and linting checks.
• [x] If applicable, I have tested my code for new features & regressions on both mobile & desktop devices, using the latest version of major browsers.

[shamoon]

Can you try this? Feel free to modify / revert / etc.

[juanisierra]

@shamoon Works fine! Thanks for the suggestion and the changes!

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