Firestore emulator having problem with CORS.

[gel-prog]

[REQUIRED] Environment info

firebase-tools: 8.7.0

Platform: Windows/WSL

[REQUIRED] Test case

1. Create a new project with firebase init.
2. Enable functions and firestore
3. Run firebase:emulators:start
4. Go to http://localhost:4000/firestore and create a document

[REQUIRED] Steps to reproduce

1. Create a new project with firebase init.
2. Enable functions and firestore
3. Run firebase:emulators:start
4. Go to http://localhost:4000/firestore and create a document

[REQUIRED] Expected behavior

Should be able to create and see the newly created document.

[REQUIRED] Actual behavior

Getting errors when trying to fetch the new document.

Failed to load resource: net::ERR_CONNECTION_REFUSED
http://localhost:8080/v1/projects/myProject/databases/(default)/documents:listCollectionIds

Seems to be a problem given CORS. If I use Firefox instead of Chrome:

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://localhost:8080/v1/projects/myProject/databases/(default)/documents:listCollectionIds. (Reason: CORS request did not succeed).

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[samtstern]

@gel-prog I believe this is a duplicate of this known issue: firebase/firebase-tools-ui#332

Please follow along over there!