strictly use socket.io class based namespaces

app/static/js/resource-displays/resource-display.js

@@ -8,7 +8,7 @@ nopaque.resource_displays.ResourceDisplay = class ResourceDisplay {
     if (this.userId) {
       app.subscribeUser(this.userId)
         .then((response) => {
-          app.socket.on('PATCH', (patch) => {
+          app.sockets.users.on('patch_user', (patch) => {
             if (this.isInitialized) {this.onPatch(patch);}
           });
         });