[bugfix] canonical name support for slack commands

srv/src/slackData.js

@@ -263,8 +263,10 @@ SlackData.prototype.updateStatic = function(data, t) {
     if (data.commands) {
         var aliasCmd = {};
         for (let i in data.commands)
-            if (data.commands[i].canonical_name)
-                aliasCmd[data.commands[i].canonical_name] = Object.create(Object.prototype, data.commands[i]);
+            if (data.commands[i].canonical_name && data.commands[i].canonical_name !== i) {
+                aliasCmd[data.commands[i].canonical_name] = {};
+                Object.assign(aliasCmd[data.commands[i].canonical_name], data.commands[i]);
+            }
         for (let i in aliasCmd)
             data.commands[i] = aliasCmd[i];
     }