fix(dialogs): typings fix for alert with custom view

Author: farfromrefug

src/dialogs/dialogs.d.ts

@@ -61,7 +61,7 @@ export function alert(message: string | number | boolean): Promise<void>;
  * The alert() method displays an alert box with a specified message.
  * @param options Specifies the options for the alert box.
  */
-export function alert(options: AlertOptions & MDCAlertControlerOptions): Promise<void>;
+export function alert(options: AlertOptions & MDCAlertControlerOptions): Promise<any>;
 
 /**
  * The confirm() method displays a dialog box with a specified message.

src/dialogs/dialogs.ios.ts

@@ -271,8 +271,8 @@ function createAlertController(options: DialogOptions & MDCAlertControlerOptions
     return alertController;
 }
 
-export function alert(arg: any): Promise<void> {
-    return new Promise<void>((resolve, reject) => {
+export function alert(arg: any): Promise<any> {
+    return new Promise<any>((resolve, reject) => {
         try {
             const defaultOptions = {
                 // title: ALERT,