BugReportEmotionJs

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1. Change Directory to client/
2. Install dependencies with yarn install
3. Run "NEW DEBUG", this will execute bin/startWebpack.sh/ and run pwa-chrome. The nightly debugger is required for that config. Alternatively you can also just run yarn debug in client/ and navigate to http://localhost:8080/lobby
4. It takes a bit of time for (only) one cursor to start lagging. Having the extension dark reader dark reader installed speeds that process up significantly (It think now that this might be caused by the combination of Dark Reader + Emotion after the investigation)

The component that starts to lag is MousePointer in client/src/components/Lobby/components/. Changing line 23 to not be css={css({})} but just style={{}} oliviates the lag even with Dark Reader installed.