Black edges problem in godot 4

### Tested versions

4.2.1

### System information

Mobile / Android

### Issue description

When I add a camera, there are black edges, and I want there to be no black edges for all devices. Here are some pictures
Even though full screen is activated

### Steps to reproduce

I hope it will be resolved as soon as possible

### Minimal reproduction project (MRP)

Thank you all
```[tasklist]
### Tasks
```

Start by reproducing the issue in Godot 4.2.1 on Android with a camera and full-screen enabled, using the screenshots as the visual reference. The issue provides no minimal reproduction project, files, or tests; progress would require identifying the relevant camera or display path and confirming that black edges are absent across the affected device configurations.

Written by the indexing model from the issue text.