After scanning a path in the project manager or starting a project it is not clear which
image can not be loaded.
After errors
```
ERROR: _png_error_function: Not a PNG file
At: drivers/png/image_loader_png.cpp:62.
libpng error: Not a PNG file
ERROR: _load_image: PNG Corrupted
At: drivers/png/image_loader_png.cpp:94.
```
add
```
ERROR: load_image: Error loading image: path/bad.png
At: core/io/image_loader.cpp:69.
```