fix(dashboard): update filter condition in MetricsList

Change the filter type comparison from checking against 'all' to
checking against an empty string. This ensures proper filtering
behavior when filtering metrics in the dashboard component.

frontend/app/components/Dashboard/components/MetricsList/MetricsList.tsx

@@ -68,7 +68,7 @@ function MetricsList({
   }, [metricStore]);
 
 
-  const isFiltered = metricStore.filter.query !== '' || metricStore.filter.type !== 'all';
+  const isFiltered = metricStore.filter.query !== '' || metricStore.filter.type !== '';
 
   const searchImageDimensions = { width: 60, height: 'auto' };
   const defaultImageDimensions = { width: 600, height: 'auto' };