change admin-nav-hover-color

src/client/styles/scss/theme/mono-blue.scss

@@ -31,7 +31,7 @@ html[light] {
   $bgcolor-list: transparent;
   $color-list-active: $color-reversal;
   $bgcolor-list-active: $primary;
-  $color-list-hover: $color-reversal;
+  $color-list-hover: $color-search;
 
   // Navbar
   $bgcolor-navbar: #2a2929;