Merge branch 'stabilised-camera' into 'main'

...ets/Prefabs/Complete XR Origin Set Up Variant AVVR.prefab

AVVR/Assets/Prefabs/InteractableAudioSource.prefab

AVVR/Assets/Scenes/MenuInterface.unity

...eamAudioScenes/Subjective-Evaluation-Scenes/LR_NoVR.unity

...eamAudioScenes/Subjective-Evaluation-Scenes/ST_NoVR.unity

AVVR/Assets/_Scripts/DisplayManager.cs

AVVR/Assets/_Scripts/DisplayManager.cs.meta

AVVR/Assets/_Scripts/MenuInterface/QuitApplication.cs

AVVR/Assets/_Scripts/MenuInterface/QuitApplication.cs.meta

AVVR/Assets/_Scripts/SpectatorCamera.cs

AVVR/Assets/_Scripts/SpectatorCamera.cs.meta

AVVR/Assets/_Scripts/SpectatorWindow.cs

AVVR/Assets/_Scripts/SpectatorWindow.cs.meta