fix(angular): fix overlays

angular/src/util/overlay.ts

@@ -0,0 +1,15 @@
+
+import { proxyMethod } from '../util/util';
+
+
+export class OverlayBaseController<Opts, Overlay> {
+  constructor(private ctrl: string) {}
+
+  create(opts?: Opts): Promise<Overlay> {
+    return proxyMethod(this.ctrl, 'create', opts);
+  }
+
+  dismiss(data?: any, role?: string, id = -1): Promise<void> {
+    return proxyMethod(this.ctrl, 'dismiss', data, role, id);
+  }
+}