### 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)

if (ci->copy_back_buffer) {
		ci->copy_back_buffer->screen_rect = xform.xform(ci->copy_back_buffer->rect).intersection(p_clip_rect);
	}
	if (p_use_canvas_group) {
		int zidx = p_z - RS::CANVAS_ITEM_Z_MIN;
		if (canvas_group_from == nullptr) {
			
			canvas_group_from = r_z_list[zidx];
		} else {
			
			canvas_group_from = canvas_group_from->next;
		}
		if (canvas_group_from) {
			
			
			Rect2 rect_accum;
			RendererCanvasRender::Item *c = canvas_group_from;
			while (c) {
				if (c == canvas_group_from) {
					rect_accum = c->global_rect_cache;
				} else {
					rect_accum = rect_accum.merge(c->global_rect_cache);
				}
				c = c->next;
			}