If you use the emojis you like, they will populate in the quick react picker. It may take several times, but it is what it is. Are you the one maintaining the software? No. Are you the one spending hours you could be getting paid doing other shit to run the services? No. Are you the one taking on the risk? No. Are you the one that skips dinner with their wife so you can fix some stupid bug? No. You're not. Grow the fuck up, you'll be okay.