Avoid double dns setup tracking

src/appstore.js

@@ -379,9 +379,14 @@ function registerCloudron(data, callback) {
 }
 
 // This works without a Cloudron token as this Cloudron was not yet registered
+let gBeginSetupAlreadyTracked = false;
 function trackBeginSetup(provider) {
     assert.strictEqual(typeof provider, 'string');
 
+    // avoid browser reload double tracking, not perfect since box might restart, but covers most cases and is simple
+    if (gBeginSetupAlreadyTracked) return;
+    gBeginSetupAlreadyTracked = true;
+
     const url = `${settings.apiServerOrigin()}/api/v1/helper/setup_begin`;
 
     superagent.post(url).send({ provider }).timeout(30 * 1000).end(function (error, result) {