fix(input): add tappable attr to input-cover

Author: adamdbradley

ionic/components/input/input.ts

@@ -68,7 +68,7 @@ import {Platform} from '../../platform/platform';
     '<input [type]="type" [(ngModel)]="_value" [placeholder]="placeholder" class="text-input">' +
     '<input [type]="type" aria-hidden="true" next-input *ngIf="_useAssist">' +
     '<button clear *ngIf="clearInput && value" class="text-input-clear-icon" (click)="clearTextInput()" (mousedown)="clearTextInput()"></button>' +
-    '<div (touchstart)="pointerStart($event)" (touchend)="pointerEnd($event)" (mousedown)="pointerStart($event)" (mouseup)="pointerEnd($event)" class="input-cover" *ngIf="_useAssist"></div>',
+    '<div (touchstart)="pointerStart($event)" (touchend)="pointerEnd($event)" (mousedown)="pointerStart($event)" (mouseup)="pointerEnd($event)" class="input-cover" tappable *ngIf="_useAssist"></div>',
   directives: [
     NgIf,
     NextInput,