Added applying width and height when aspectRatio is set

Author: Yamazaki93

projects/angular2-draggable/src/lib/angular-resizable.directive.ts

@@ -405,10 +405,10 @@ export class AngularResizableDirective implements OnInit, OnChanges, OnDestroy,
 
   private doResize() {
     const container = this.el.nativeElement;
-    if (this._direction.n || this._direction.s) {
+    if (this._direction.n || this._direction.s || this._aspectRatio) {
       this.renderer.setStyle(container, 'height', this._currSize.height + 'px');
     }
-    if (this._direction.w || this._direction.e) {
+    if (this._direction.w || this._direction.e || this._aspectRatio) {
       this.renderer.setStyle(container, 'width', this._currSize.width + 'px');
     }
     this.renderer.setStyle(container, 'left', this._currPos.x + 'px');