### Godot version

v4.0.stable.official [92bee43ad]

### System information

Windows 10, 64bit

### Issue description

When change `ItemList`‘s icon_scale with code, itemlist not update:
![GIF](https://user-images.githubusercontent.com/35988767/222378909-ff9828aa-6714-478a-abbe-55477f28d85d.gif)

And force call `queue_redraw()`, icon size was udpate, but item border not.
![GIF](https://user-images.githubusercontent.com/35988767/222379478-832c7668-5182-4e1e-bfdb-cc137c19f77a.gif)

And if resize window, itemlist update correct.
![GIF](https://user-images.githubusercontent.com/35988767/222381049-3a45383d-9a40-4598-b64d-ec10d22754d7.gif)


### Steps to reproduce

/

### Minimal reproduction project

[ItemListTest.zip](https://github.com/godotengine/godot/files/10869385/ItemListTest.zip)

{
				int lo = 0;
				int hi = items.size();
				while (lo < hi) {
					const int mid = (lo + hi) / 2;
					const Rect2 &rcache = items[mid].rect_cache;
					if (rcache.position.y + rcache.size.y < clip.position.y) {
						lo = mid + 1;
					} else {
						hi = mid;
					}
				}
				
				
				while (lo < hi && lo > 0 && items[lo].column > 0) {
					lo -= 1;
				}
				first_item_visible = lo;
			}
			
			for (int i = first_item_visible; i < items.size(); i++) {
				Rect2 rcache = items[i].rect_cache;
				if (rcache.position.y > clip.position.y + clip.size.y) {
					break; 
				}
				if (!clip.intersects(rcache)) {
					continue;
				}
				if (current_columns == 1) {
					rcache.size.width = width - rcache.position.x;