chore: add hover background to table rows in admin pages

This is a small QoL change to make the admin easier to do their management job. This makes knowing which row is the correct row to operate easier by simply checking the hover background.

Author: BLumia

web_src/css/admin.css

@@ -43,6 +43,10 @@
   white-space: nowrap;
 }
 
+.admin .table>tbody>tr:hover {
+  background-color: var(--color-hover)!important;
+}
+
 .admin-responsive-columns {
   display: flex;
   flex-wrap: wrap;