YARN-9295. [UI2] Fix label typo in Cluster Overview page. Contributed by Charan Hebri.

(cherry picked from commit b66d5ae9e26447113b146be0ffd81ed7d663a778)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/models/cluster-metric.js

@@ -94,7 +94,7 @@ export default DS.Model.extend({
       value: this.get("decommissioningNodes") || 0
     });
     arr.push({
-      label: "Decomissioned",
+      label: "Decommissioned",
       value: this.get("decommissionedNodes")
     });
     arr.push({