### Godot version

v4.1.beta1.official [828ec2c5d]

### System information

Windows 11 Home, v4.1.beta1.official [828ec2c5d], All Renderers, NVidia GeForce RTX 3060 Ti,  Drivers 535.98

### Issue description

When enabling the "Y Sort Enabled" ordering method for a Sprite2D, the sprite will be rendered entirely black.

![grafik](https://github.com/godotengine/godot/assets/29011290/6fa4da16-d9a5-4c3b-a9e4-c1bba53c2183)
![grafik](https://github.com/godotengine/godot/assets/29011290/cbf499ae-f3f7-4c07-98b2-a1a667d810c2)


### Steps to reproduce

Simply create a Sprite2D Node, assign any texture to it and activate Y-Sorting

### Minimal reproduction project

[GDB_4.1_ysort.zip](https://github.com/godotengine/godot/files/11704361/GDB_4.1_ysort.zip)

ERR_FAIL_COND(p_points.is_empty() || p_points.size() % 2 != 0);
	ERR_FAIL_COND(p_colors.size() != 1 && p_colors.size() * 2 != p_points.size());
	
	if (p_width < 0) {
		Item *canvas_item = canvas_item_owner.get_or_null(p_item);
		ERR_FAIL_COND(!canvas_item);
		Vector<Color> colors;
		if (p_colors.size() == 1) {
			colors = p_colors;
		} else { 
			colors.resize(p_points.size());
			Color *colors_ptr = colors.ptrw();
			for (int i = 0; i < p_colors.size(); i++) {
				Color color = p_colors[i];
				colors_ptr[i * 2 + 0] = color;
				colors_ptr[i * 2 + 1] = color;
			}
		}
		Item::CommandPolygon *pline = canvas_item->alloc_command<Item::CommandPolygon>();