Set shortcodes in trigger response entities based on config or request URL (#1099)

* adding trigger short code injection

* more annotation provider stuff

* fixed up tests

* Fix validator

api/server/server_test.go

@@ -34,6 +34,7 @@ func testServer(ds models.Datastore, mq models.MessageQueue, logDB models.LogSto
 		WithLogstore(logDB),
 		WithAgent(rnr),
 		WithType(nodeType),
+		WithTriggerAnnotator(NewRequestBasedTriggerAnnotator()),
 	)
 }