fix: patch showModal call in zone (#83)

Author: edusperoni

packages/zone-js/dist/events.ts

@@ -47,4 +47,23 @@ Zone.__load_patch('nativescript_dispatchToMainThread', (global, zone, api) => {
   );
 });
 
+Zone.__load_patch('nativescript_showModal', (global, zone, api) => {
+  api.patchMethod(
+    View.prototype,
+    'showModal',
+    (delegate, delegateName, name) =>
+      function (self, args) {
+        if (args.length === 2) {
+          const options = args[1];
+          if (options.closeCallback) {
+            options.closeCallback = Zone.current.wrap(options.closeCallback, 'NS showModal patch');
+          }
+        } else if (args.length > 3) {
+          args[3] = Zone.current.wrap(args[3], 'NS showModal patch');
+        }
+        return delegate.apply(self, args);
+      }
+  );
+});
+
 //! queueMacroTask should never be patched! We should consider it as a low level API to queue macroTasks which will be patched separately by other patches.