message: fix util PluginExists() function
diff: @@ -566,10 +566,9 @@ ArgumentStack Util::UnregisterServerConsoleCommand(ArgumentStack&& args)
  ArgumentStack Util::PluginExists(ArgumentStack&& args)
  {
  - std::string pluginName = Services::Events::ExtractArgument<std::string>(args);
  - std::string pluginNameWithoutPrefix = pluginName.substr(5, pluginName.length() - 5);
  + auto pluginName = Services::Events::ExtractArgument<std::string>(args);
  - return GetServices()->m_plugins->FindPluginByName(pluginNameWithoutPrefix) ? Services::Events::Arguments(1) : Services::Events::Arguments(0);
  + return GetServices()->m_plugins->FindPluginByName(pluginName) ? Services::Events::Arguments(1) : Services::Events::Arguments(0);
  }
  ArgumentStack Util::GetUserDirectory(ArgumentStack&&)
  