AMBARI-16378. stackadvisor uses getHostsForSlaveComponent with wrong parameter name (Lav Jain via smohanty)

ambari-server/src/main/resources/stacks/stack_advisor.py

@@ -462,7 +462,7 @@ class DefaultStackAdvisor(StackAdvisor):
 
     if self.isSlaveComponent(component):
       cardinality = str(component["StackServiceComponents"]["cardinality"])
-      if self.isComponentUsingCardinalityForLayout(component) and cardinality:
+      if self.isComponentUsingCardinalityForLayout(componentName) and cardinality:
         # cardinality types: 1+, 1-2, 1
         if "+" in cardinality:
           hostsMin = int(cardinality[:-1])