Add IE specific values

Author: youda97

src/dialog/dialog.component.ts

@@ -241,6 +241,7 @@ export class Dialog implements OnInit, AfterViewInit, OnDestroy {
 	@HostListener("keydown", ["$event"])
 	escapeClose(event: KeyboardEvent) {
 		switch (event.key) {
+			case "Esc": // IE specific value
 			case "Escape": {
 				event.stopImmediatePropagation();
 				this.doClose();

src/dialog/overflow-menu/overflow-menu-pane.component.ts

@@ -75,11 +75,6 @@ export class OverflowMenuPane extends Dialog {
 				event.preventDefault();
 				listItems[listItems.length - 1].focus();
 				break;
-
-			case "Enter":
-			case " ":
-				this.doClose();
-				break;
 		}
 	}