chore(*): adressing PR comments #6845

Author: igdmdimitrov

projects/igniteui-angular/src/lib/tabs/tab-item.component.ts

@@ -182,11 +182,8 @@ export class IgxTabItemComponent extends IgxTabItemBase implements AfterViewInit
      */
     @HostListener('keydown', ['$event'])
     public onKeydown(event: KeyboardEvent) {
-        event.preventDefault();
-
         const tabsArray = this._tabs.tabs.toArray();
         const startIndex = tabsArray.indexOf(this);
-        let tab: IgxTabItemBase;
         let finalIndex = -1;
         let currentIndex = startIndex;
 
@@ -220,14 +217,17 @@ export class IgxTabItemComponent extends IgxTabItemBase implements AfterViewInit
                 while (currentIndex !== startIndex);
                 break;
             case KEYS.HOME:
+                event.preventDefault();
                 finalIndex = tabsArray.find(t => (t as IgxTabItemComponent).disabled === false).index;
                 break;
             case KEYS.END:
+                event.preventDefault();
                 finalIndex = tabsArray.slice().reverse().find(t => (t as IgxTabItemComponent).disabled === false).index;
                 break;
             case KEYS.ENTER:
             case KEYS.SPACE:
             case KEYS.SPACE_IE:
+                event.preventDefault();
                 if (!this.autoGenerated) {
                     this.nativeTabItem.nativeElement.click();
                 }
@@ -237,11 +237,11 @@ export class IgxTabItemComponent extends IgxTabItemBase implements AfterViewInit
         }
 
         if (finalIndex > -1) {
-            tab = tabsArray[finalIndex];
+            const tab = tabsArray[finalIndex];
             tab.nativeTabItem.nativeElement.focus();
 
             if (this.autoGenerated) {
-                tab.nativeTabItem.nativeElement.click();
+                tab.select();
             }
         }
     }