You need to disable Wayland
refrence :
https://askubuntu.com/questions/1407494/screen-share-not-working-in-ubuntu-22-04-in-all-platforms-zoom-teams-google-m
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Share screen in ubunut 22

You need to disable Wayland
refrence :
https://askubuntu.com/questions/1407494/screen-share-not-working-in-ubuntu-22-04-in-all-platforms-zoom-teams-google-m