allow mixpanel to be already set up elsewhere

js/background.js

@@ -230,7 +230,8 @@
     window.feeds = [];
     window.lokiMessageAPI = new window.LokiMessageAPI(ourKey);
     window.lokiPublicChatAPI = new window.LokiPublicChatAPI(ourKey);
-    window.mixpanel = new window.LokiMixpanelAPI();
+    // set up mixpanel
+    window.mixpanel = window.mixpanel || new window.LokiMixpanelAPI(); // incase account manager already set it up
     // window.mixpanel.track("Desktop boot");
     window.lokiP2pAPI = new window.LokiP2pAPI(ourKey);
     window.lokiP2pAPI.on('pingContact', pubKey => {

libtextsecure/account_manager.js

@@ -22,13 +22,14 @@
 (function() {
   window.textsecure = window.textsecure || {};
 
+  // set up mixpanel
+  window.mixpanel = window.mixpanel || new window.LokiMixpanelAPI();
+
   const ARCHIVE_AGE = 7 * 24 * 60 * 60 * 1000;
 
   function AccountManager(username, password) {
     // this.server = window.WebAPI.connect({ username, password });
     this.pending = Promise.resolve();
-    // set up mixpanel
-    window.mixpanel = new window.LokiMixpanelAPI();
   }
 
   function getNumber(numberId) {