Adding edit of incoming webhook (#5272)

Adding edit of outgoing webhook
Fixing spelling of error
Fixing style
Changing from PUT to POST for updates
Fixing test failures due to merge

webapp/i18n/en.json

@@ -96,6 +96,7 @@
   "add_incoming_webhook.name": "Name",
   "add_incoming_webhook.save": "Save",
   "add_incoming_webhook.url": "<b>URL</b>: {url}",
+  "update_incoming_webhook.update": "Update",
   "add_oauth_app.callbackUrls.help": "The redirect URIs to which the service will redirect users after accepting or denying authorization of your application, and which will handle authorization codes or access tokens. Must be a valid URL and start with http:// or https://.",
   "add_oauth_app.callbackUrlsRequired": "One or more callback URLs are required",
   "add_oauth_app.clientId": "<b>Client ID</b>: {id}",
@@ -137,6 +138,9 @@
   "add_outgoing_webhook.triggerWordsTriggerWhen.help": "Choose when to trigger the outgoing webhook; if the first word of a message matches a Trigger Word exactly, or if it starts with a Trigger Word.",
   "add_outgoing_webhook.triggerWordsTriggerWhenFullWord": "First word matches a trigger word exactly",
   "add_outgoing_webhook.triggerWordsTriggerWhenStartsWith": "First word starts with a trigger word",
+  "update_outgoing_webhook.update": "Update",
+  "update_outgoing_webhook.confirm": "Edit Outgoing Webhook",
+  "update_outgoing_webhook.question": "Your changes may break the existing outgoing webhook. Are you sure you would like to update it?",
   "admin.advance.cluster": "High Availability (Beta)",
   "admin.advance.metrics": "Performance Monitoring (Beta)",
   "admin.audits.reload": "Reload User Activity Logs",