Fix permission limiting with uppercase function names

plugins/disabled-Multiuser/MultiuserPlugin.py

@@ -186,6 +186,7 @@ class UiWebsocketPlugin(object):
             self.actionUserLoginForm(0)
 
     def hasCmdPermission(self, cmd):
+        cmd = cmd[0].lower() + cmd[1:]
         if not config.multiuser_local and self.user.master_address not in local_master_addresses and cmd in self.multiuser_denied_cmds:
             self.cmd("notification", ["info", "This function is disabled on this proxy!"])
             return False