forcefully nullify properties if subscriptionRequired is false

approvalRequired and subscriptionsLimit must not be serialized to ARM template when subscriptionRequired is false

Author: nulllogicone

src/APIM_ARMTemplate/apimtemplate/Creator/TemplateCreators/ProductTemplateCreator.cs

@@ -37,8 +37,8 @@ public Template CreateProductTemplate(CreatorConfig creatorConfig)
                         description = product.description,
                         terms = product.terms,
                         subscriptionRequired = product.subscriptionRequired,
-                        approvalRequired = product.approvalRequired,
-                        subscriptionsLimit = product.subscriptionsLimit,
+                        approvalRequired = product.subscriptionRequired ? product.approvalRequired : null,
+                        subscriptionsLimit = product.subscriptionRequired ? product.subscriptionsLimit : null,
                         state = product.state,
                         displayName = product.displayName
                     },