Could you please, check the option you see on the screenshot -> https://prnt.sc/iZFXhU48YRa- (Theme Options -> Speed Optimization -> Disable Emoji (turn switcher off)?
Also if the problem will still be there, please, describe
1/ what operating system you are using
2/ your browser + version
3/ Is the issue shown from the devices of your friends/team ?
4/ provide us admin access to check your booster settings from our side
wp-admin access: Create an account via Dashboard (Users > Add new) with administrator role http://prntscr.com/s3rc9m > provide us with username and password via the Private Content area http://prntscr.com/s5mao7 You can use any email for it.