more tracking; hide arb from welcome splash

src/track.js

@@ -1,12 +1,15 @@
-export let tracking_enabled = true
+export let tracking_enabled = window.gtag !== undefined
 
-export function track(event, info) {
+if(tracking_enabled)
+    console.log('gtag', tracking_enabled)
+else
+    console.log('tracking disabled')
+
+export function track(...args) {
     if (tracking_enabled) {
-        if (window.gtag !== undefined)
-            window.gtag('event', event, info)
-        else {
-            console.log('gtag not available')
-            tracking_enabled = false
+        try {
+            window.gtag('event', ...args)
+        } catch (e) {
         }
     }
 }