Update wcDocker to enable properly translation of the context menu options.

web/pgadmin/static/css/wcDocker/wcDocker.css

@@ -461,6 +461,26 @@ html, body {
   border-radius: 6px;
 }
 
+::-webkit-scrollbar {
+  width: 12px;
+  height: 12px;
+  background-color: #888;
+}
+
+::-webkit-scrollbar-corner {
+  background-color: #888;
+}
+
+::-webkit-scrollbar-track {
+  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5);
+  border-radius: 10px;
+}
+
+::-webkit-scrollbar-thumb {
+  border-radius: 10px;
+  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.7);
+}
+
 .wcMenuList, .context-menu-list {
   border: 1px solid #111;
 }