S56597198 - Menu icon does not darken for any of the Template menu items.

Hover image added.

frontend/angular/src/assets/css/common.css

@@ -387,7 +387,7 @@ ul.profile-dropdown {
     background-image: url('../images/clients-icon-hover.png');
 }
 .main-menu li:hover .template-icon,.main-menu li.active .template-icon{
-    background-image: url('../images/icon-reuse-sml.svg');
+    background-image: url('../images/icon-reuse-sml-dark.png');
 }
 .main-menu li:hover .manage-icon,.main-menu li.active .manage-icon{
     background-image: url('../images/manage-user-hover.png');