fix for #2818 (dont let empty plotData go to SingleLinePlot)

[sawka]

No description provided.

[coderabbitai]

Walkthrough

A conditional guard was added to the sysinfo.tsx file to prevent rendering of series plots in the SysinfoViewInner component. The yvals mapping operation is now prefixed with a condition that checks if plotData exists and has a length greater than 0. This prevents SingleLinePlot components from being rendered when no plot data is available.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	No description was provided by the author, making it impossible to assess whether it relates to the changeset.	Add a pull request description explaining the issue, the fix, and any relevant testing or context for reviewers.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly references a specific issue (#2818) and describes the main fix: preventing empty plotData from being passed to SingleLinePlot.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch sawka/sysinfo-fix

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