Fix Automation swagger spec errors in the AutomationAccount and Webhook areas#2360

sergey-shandar merged 3 commits intoAzure:masterAzure/azure-rest-api-specs:masterfrom

AnatoliB:anatolib/FixAutomationSpecErrorsAnatoliB/azure-rest-api-specs:anatolib/FixAutomationSpecErrorsCopy head branch name to clipboard