Currently, the "PowerApps for App Maker(previwe)", "PowerApps for Admins(preview)" and "Power platform for Admins(preview)" connectors are not supported within Data Integration Project functionality in PowerApps.
If you would like this feature to be added in PowerApps, please submit an idea to PowerApps Ideas Forum:
If I want to set up a connection set mappings between the Finance and Operations legal entity (or company) and CDS organization or business units. Where can I find out the CDS organization or business unit name?
For Dynamics CE, I can log into the system to have a look, but for CDS, where can I view the relevant information?