### Godot version

4.1 Beta 3

### System information

Win10

### Issue description

In the Godot 4.1. Beta3 Scene Panel, node names are overlapping the icons to the right. Like visibility icons, script icons ...
Especially apparent with longer node names:

https://github.com/godotengine/godot/assets/47016402/61cc8c75-efe5-4cfa-ac4f-5fcd4805140b

This is _not_ an issue in Godot 4.0.3:

https://github.com/godotengine/godot/assets/47016402/4035ea3f-80bd-479d-9d6f-761debdd6b49



### Steps to reproduce

Give long node names and resize the Scene Panel

### Minimal reproduction project

N/A
if (icon.is_null()) {
		return Size2();
	}
	if (icon_region == Rect2i()) {
		return icon->get_size();
	} else {
		return icon_region.size;
	}
}
void TreeItem::Cell::draw_icon(const RID &p_where, const Point2 &p_pos, const Size2 &p_size, const Color &p_color) const {
	if (icon.is_null()) {
		return;
	}
	Size2i dsize = (p_size == Size2()) ? icon->get_size() : p_size;
	if (icon_region == Rect2i()) {
		icon->draw_rect_region(p_where, Rect2(p_pos, dsize), Rect2(Point2(), icon->get_size()), p_color);
	} else {
		icon->draw_rect_region(p_where, Rect2(p_pos, dsize), icon_region, p_color);
	}
}
void TreeItem::_changed_notify(int p_cell) {