Disable notifications if showcase flag is disabled.

src/alerts.js

@@ -2,6 +2,8 @@
 
 const escapeRegexp = require('escape-string-regexp');
 
+const argv = require('./argv');
+const logger = require('./logger')(__filename);
 const knex = require('./knex');
 const { indexApi } = require('./manticore');
 const bulkInsert = require('./utils/bulk-insert');
@@ -63,6 +65,11 @@ async function removeAlert(alertId) {
 }
 
 async function notify(scenes) {
+	if (argv.showcased === false) {
+		logger.info(`Skipping notify for ${scenes.length} scenes because showcase flag is disabled.`);
+		return [];
+	}
+
 	const sceneIds = scenes.map((scene) => scene.id);
 
 	const [