Fix CPU metric

Author: crespocarlos

x-pack/solutions/observability/plugins/metrics_data_access/common/inventory_models/host/metrics/snapshot/cpu_v2.ts

@@ -18,8 +18,8 @@ export const cpuV2: SchemaBasedAggregations = {
   semconv: {
     cpu_idle: {
       terms: {
-        field: 'state',
-        include: ['idle'],
+        field: 'attributes.state',
+        include: ['idle', 'wait'],
       },
       aggs: {
         avg: {