[ML] Fix the memory usage chart visibility in the Nodes overview table (

#190981)

## Summary

Fixes the memory usage chart visibility in the Nodes overview table 

### Checklist

- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios

x-pack/plugins/ml/public/application/memory_usage/nodes_overview/nodes_list.tsx

@@ -151,7 +151,7 @@ export const NodesList: FC<NodesListProps> = ({ compactView = false }) => {
       name: i18n.translate('xpack.ml.trainedModels.nodesList.nodeMemoryUsageHeader', {
         defaultMessage: 'Memory usage',
       }),
-      truncateText: true,
+      truncateText: false,
       'data-test-subj': 'mlNodesTableColumnMemoryUsage',
       render: (v: NodeItem) => {
         return <MemoryPreviewChart memoryOverview={v.memory_overview} />;