When you connect your social channels to a Teamspace, and you need to add them to a different Teamspace, you can do so without having to reconnect them. Here's how:
1- Click on the gear icon on the top right menu to go to your Account Settings
2- Click on Social Accounts on the left side menu
3- Click on dropdown trigger to the right of the social channel you wish to switch Teamspaces
4- Click on Change Team
5- Click on the dropdown and select the Teamspace from the list
6- Click Confirm