### Godot version

4.1.stable

### System information

Windows 11 (x64), Intel(R) Core(TM) i5-9400 CPU, Vulkan,  NVIDIA GeForce GTX 1660 Ti driver version 528.24

### Issue description

When resizing the Scene Tree view, making it narrow, the tooltips of the icons no longer match the position of the icons. 
The tooltip rect is pushed off to the side.
Video showing bug:

https://github.com/godotengine/godot/assets/104696964/bc9918a0-4f4c-4722-aee3-7887d0e3dd5d



### Steps to reproduce

Make your Scene Tree view narrow. Hover over the icons. The tooltip activation area does not match the icon.

### Minimal reproduction project

N/A
if (!is_inside_tree()) {
		return;
	}
	if (!selected_item || (selected_col == -1)) {
		return; 
	}
	
	const Size2 area_size = _get_content_rect().size;
	int y_offset = get_item_offset(selected_item);
	if (y_offset != -1) {
		const int tbh = _get_title_button_height();
		y_offset -= tbh;