Server side remote configuration not working on variables in groups

[RodXander]

[READ] Step 1: Are you in the right place?

• For issues related to the code in this repository file a Github issue.
• If the issue pertains to Cloud Firestore, read the instructions in the "Firestore issue"
  template.
• For general technical questions, post a question on StackOverflow
  with the firebase tag.
• For general Firebase discussion, use the firebase-talk
  google group.
• For help troubleshooting your application that does not fall under one
  of the above categories, reach out to the personalized
  Firebase support channel.

[REQUIRED] Step 2: Describe your environment

• Operating System version: MacOS
• Firebase SDK version: 12.6.0
• Firebase Product: remote configuration
• Node.js version: 20
• NPM version: 10.5.0

[REQUIRED] Step 3: Describe the problem

Steps to reproduce:

1. In the Firebase Remote Configuration Dashboard, create a variable inside of a group:
   

2. Try accessing the variable like so fails:

template.parameters['test_variable']?.defaultValue?.value;

[google-oss-bot]

I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.