Failed to connect to a new db under same project other than default

Hi, do you support connecting to multiple dbs under same project? it doesn't look like it at the latest version. google forestore supports multiple dbs under a same project now.
https://cloud.google.com/blog/products/databases/manage-multiple-firestore-databases-in-a-project

If planned to support it in future, when would that be happening? If I am wrong, please let me know.
Thanks,

Chris

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Have a usage question?
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Yes

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Think you found a bug?
=======================
Yes

Have a feature request?
========================
support connecting to multiple dbs under same project

### Version info

What versions of the following libraries are you using? Note that your issue may already
be fixed in the latest versions.
**Angular:**
15.1.0
**Firebase:**
12.5.2
**AngularFire:**
7.6.1

**Other (e.g. Ionic/Cordova, Node, browser, operating system):**
node: 16.15.0
### How to reproduce these conditions
put a new database name into datbaseURL:

**Failing test unit, Stackblitz demonstrating the problem**

Provide a failing test unit, or create a minimal, complete, and
verifiable example (http://stackoverflow.com/help/mcve) using
StackBlitz (https://stackblitz.com/edit/angular-fire-start).

**Steps to set up and reproduce**
enter a new database name into datbaseURL: Ex) databaseURL: 'https://test.firebaseio.com' (test is name of db)

**Sample data and security rules**

### Expected behavior

What is the expected behavior?
If dabaseURL is put such as databaseURL: 'https://test.firebaseio.com', it should connect to the test database.
### Actual behavior

What is the actual behavior?
it connects to default db currently.

Start by tracing how databaseURL is consumed in the current AngularFire/Firebase integration and verify whether the request targets Firestore or Realtime Database. Reproduce the behavior with the reported versions and a non-default database name; done means a documented, tested connection to the requested database works without changing the default connection.

Written by the indexing model from the issue text.