fix target-page-item bg-color

packages/app/src/styles/theme/mixins/_list-group.scss

@@ -36,7 +36,7 @@
     border-color: $border-color-global;
 
     &.grw-pagetree-is-target {
-      background: $bgcolor-active;
+      background: $bgcolor-hover;
     }
     .grw-pagetree-count {
       background: $bgcolor;