Merge pull request #5679 from IgniteUI/astaev/issue5671-8.1.x

fix(tooltip): Fixing compilation error #5671

Author: kdinev

projects/igniteui-angular/src/lib/directives/tooltip/tooltip.directive.ts

@@ -253,7 +253,7 @@ export class IgxTooltipTargetDirective extends IgxToggleActionDirective implemen
      * @hidden
      */
     @HostListener('document:keydown.escape', ['$event'])
-    public onKeydownEscape() {
+    public onKeydownEscape(event) {
         const hidingArgs = { target: this, tooltip: this.target, cancel: false };
         this.onTooltipHide.emit(hidingArgs);