Fix stylelint

Signed-off-by: Julius Härtl <jus@bitgrid.net>

src/App.vue

@@ -156,7 +156,7 @@ export default {
 </style>
 
 <style lang="scss">
-	@import "../css/print";
+	@import '../css/print';
 
 	.icon-activity {
 		background-image: url(../img/activity-dark.svg);

src/components/Sidebar.vue

@@ -45,6 +45,7 @@ export default {
 	#app-sidebar .icon-close {
 		z-index: 100;
 	}
+
 	.app-deck .app-sidebar {
 		z-index: 1500 !important;
 	}