### Godot version

4.2 Stable

### System information

Linux

### Issue description

Calling TreeItem set_text() on a TreeItem that was removed via remove_child() causes debugging to end and the application to close without any error message.

### Steps to reproduce

Run the included example to get the debugger to crash. Comment out "treeItem.remove_child(subTreeItem)" for normal behaviour. 

### Minimal reproduction project

[treeItemCrash.zip](https://github.com/godotengine/godot/files/13534005/treeItemCrash.zip)

ERR_FAIL_INDEX_V(p_column, cells.size(), 0);
	return cells[p_column].icon_max_w;
}
void TreeItem::set_range(int p_column, double p_value) {
	ERR_FAIL_INDEX(p_column, cells.size());
	if (cells[p_column].step > 0) {
		p_value = Math::snapped(p_value, cells[p_column].step);
	}
	if (p_value < cells[p_column].min) {
		p_value = cells[p_column].min;
	}
	if (p_value > cells[p_column].max) {
		p_value = cells[p_column].max;
	}
	if (cells[p_column].val == p_value) {
		return;
	}
	cells.write[p_column].val = p_value;
	cells.write[p_column].dirty = true;
	_changed_notify(p_column);
}
double TreeItem::get_range(int p_column) const {