Editor: PostProcessVolume has no values in Properties

## Description

PostProcessVolume has no values in Properties

## Prerequisites

Create a PostProcessVolume  and select it

## Steps to Reproduce

1. Check properties

### Expected behavior:

1. Current values is visible

### Actual behavior:

1. No values present

### Reproducibility:

100%

## Versions

2025.1

## Additional Information

n/a
