Engine: loadResource for the VisualEffect resource always returns nullptr

## Description

Engine::loadResource for the VisualEffect resource always returns nullptr

## Steps to Reproduce

1. Create VisualEffect and open it the Editor

### Expected behavior:

1. VisualEffect  is visible

### Actual behavior:

1. VisualEffect  is invisible

### Reproducibility:

100%

## Versions

2025.3

## Additional Information

n/a