When deploying a project with multiple hosting target to Hosting Channels, only one of the target is added as a Firebase Authentication authorized domain.

[REQUIRED] Environment info

firebase-tools: 9.1.1
Platform: MacOS

[REQUIRED] Test case

[REQUIRED] Steps to reproduce

1. Create a firebase project
2. Configure multiple hosting target for it
3. Deploy a channel

[REQUIRED] Expected behavior

All auth target, or a specified one are being added as Authentication authorized domain.

[REQUIRED] Actual behavior

Only one is added. In my case I have 3 Hosting target, and the one being added is the second one.