Christoffer Martinsson 3a959e55ed Fix critical JSON data extraction issue in SystemCollector
The MetricCollector implementation was returning JSON with null values
because it was incorrectly extracting Option<&Value> instead of the
actual values. Fixed by using .cloned().unwrap_or() to properly
extract and default the JSON values.

This should resolve the 'No data received' issue as the dashboard
will now receive properly formatted metric data instead of null values.
2025-10-16 00:10:17 +02:00
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