Move star to top right instead of top left, fix checkbox overlay

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

core/css/apps.scss

@@ -986,7 +986,7 @@ kbd {
 
 		.app-content-list-item-star {
 			top: 10px;
-			left: 3px;
+			left: 32px;
 			background-size: 16px;
 			height: 20px;
 			width: 20px;