Subdue empty dashboard tabs

[abidlabs]

Now that we have quite a bit of tabs open, and many applications might only need a subset of tabs (e.g. Traces only, or no Traces, metrics only)

• compute dashboard tab availability from the selected project/runs
• visually subdue optional tabs when their content is empty
• auto-open the first non-empty tab when launching the bare dashboard route
• refresh availability periodically so tabs become active as new data arrives

[gradio-pr-bot]

🪼 branch checks and previews

•	Name	Status	URL
🦄	Changes	detected!	Details

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
trackio	minor

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• Subdue empty dashboard tabs

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‼️ Changeset not approved. Ensure the version bump is appropriate for all packages before approving.

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[HuggingFaceDocBuilderDev]

🪼 branch checks and previews

•	Name	Status	URL
	Spaces	ready!	Spaces preview

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Install Trackio from this PR (includes built frontend)

pip install "https://huggingface.co/buckets/trackio/trackio-wheels/resolve/8330b5298ce5b1f31b004570840d78de1bee48ed/trackio-0.25.1-py3-none-any.whl"

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.