### 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
ERR_FAIL_INDEX_V(p_column, cells.size(), Rect2());
	return cells[p_column].icon_region;
}
void TreeItem::set_icon_modulate(int p_column, const Color &p_modulate) {
	ERR_FAIL_INDEX(p_column, cells.size());
	if (cells[p_column].icon_color == p_modulate) {
		return;
	}
	cells.write[p_column].icon_color = p_modulate;
	_changed_notify(p_column);
}
Color TreeItem::get_icon_modulate(int p_column) const {
	ERR_FAIL_INDEX_V(p_column, cells.size(), Color());
	return cells[p_column].icon_color;
}
void TreeItem::set_icon_max_width(int p_column, int p_max) {
	ERR_FAIL_INDEX(p_column, cells.size());
	if (cells[p_column].icon_max_w == p_max) {
		return;
	}
	cells.write[p_column].icon_max_w = p_max;
	cells.write[p_column].cached_minimum_size_dirty = true;
	_changed_notify(p_column);
}
int TreeItem::get_icon_max_width(int p_column) const {