Audio sources not shown when added after loading a scene

[malliaridis]

Bug Report

Description of the Bug

Newly added audio sources are not shown when the user adds those after the current scene is opened in the app.

Environment details

Android Version: any
App Version: 1.x
OBS Studio Version: any
OBS WebSocket Plugin Version: v4.x

Steps to reproduce the bug

Needs reproduction

Expected behavior

The audio sources are added immediately after they are added to the scene.

Actual behavior

The audio sources are not added at all.