public/images/traythere you can check the all currents icons used by the application. You can change that files if you want.
ui/icon/AppIcon.tsxthis is the icon base used to automatically generate all the icons, if you are used with
tsx/jsxprobably this is the easiest way to go.
./src/ui/components/AboutDialog/index.tsxwhere you can change the copyright. If you've changed the logo already, it will automatically reflect on this page.
rocket.chat/rocket/chat.rocket/rocketchataccording to what each setting means