Fix local Google Analytics replacement script

Related issue:
- https://github.com/uBlockOrigin/uAssets/pull/4115

src/web_accessible_resources/google-analytics_analytics.js

@@ -38,6 +38,7 @@
     const w = window;
     const gaName = w.GoogleAnalyticsObject || 'ga';
     const gaQueue = w[gaName];
+    // https://github.com/uBlockOrigin/uAssets/pull/4115
     const ga = function() {
         const len = arguments.length;
         if ( len === 0 ) { return; }
@@ -46,6 +47,8 @@
         let a = args[len-1];
         if ( a instanceof Object && a.hitCallback instanceof Function ) {
             fn = a.hitCallback;
+        } else if ( a instanceof Function ) {
+            fn = ( ) => { a(ga.create()); };
         } else {
             const pos = args.indexOf('hitCallback');
             if ( pos !== -1 && args[pos+1] instanceof Function ) {
@@ -54,7 +57,7 @@
         }
         if ( fn instanceof Function === false ) { return; }
         try {
-            fn();
+            setTimeout(fn, 1);
         } catch (ex) {
         }
     };