fixed settings nav item not retaining active class when in other tabs in the settings page

src/Ombi/ClientApp/app/app.component.html

@@ -72,7 +72,7 @@
 
 
                 <ul class="nav navbar-nav navbar-right">
-                    <li *ngIf="hasRole('Admin') " [routerLinkActive]="['active']">
+                    <li *ngIf="hasRole('Admin') " id="settings" [routerLinkActive]="['active']">
                         <a [routerLink]="['/Settings/About']">
 
                             <i *ngIf="!updateAvailable" class="fa fa-cog"></i>

src/Ombi/ClientApp/app/settings/settingsmenu.component.ts

@@ -7,4 +7,11 @@ export class SettingsMenuComponent {
     public ignore(event: any): void {
         event.preventDefault();
     }
+
+    public ngOnInit() {
+        var element = document.getElementById("settings");
+        if (element != null) {
+            element.classList.add("active");
+        }
+    }
  }