Ticket #48129: 48129.diff

src/wp-admin/css/forms.css

@@ -340 +340 @@
         box-shadow: none;
 }
 
+.wp-admin select:disabled {
+        opacity: 0.5;
+}
+
 .wp-admin .button-cancel {
         padding: 0 5px;
         line-height: 2;