Change definition of getFactoryNodeInternal

Some variants of AMD module such as
[sap.ui.define])(https://sdk.openui5.org/api/sap.ui#methods/sap.ui.define)
can accept a boolean as its last parameter.
Therefore, explicitly state the index of the
factory method parameter as `1`.

Author: jeongsoolee09

javascript/ql/lib/semmle/javascript/AMD.qll

@@ -91,7 +91,7 @@ class AmdModuleDefinition extends CallExpr instanceof AmdModuleDefinition::Range
   Function getFactoryFunction() { TValueNode(result) = this.getFactoryNodeInternal() }
 
   private EarlyStageNode getFactoryNodeInternal() {
-    result = TValueNode(this.getLastArgument())
+    result = TValueNode(this.getArgument(1))
     or
     DataFlow::localFlowStep(result, this.getFactoryNodeInternal())
   }