### Godot version

4.1.dev (1becfea37c)

### System information

MacOS 13.3 M1 Pro

### Issue description

When you use batch rename you can ask him to rename to invalid node names. it won't raise any warning nor error it will just rename to a valid node names without informing you of the change. For comparison with simple renames this is shown as warning
<img width="452" alt="Capture d’écran 2023-05-02 à 21 49 47" src="https://user-images.githubusercontent.com/66184050/235771076-a2f09307-6c8d-4687-8d31-58234e8e2bf1.png">


### Steps to reproduce

1. create a root Node and two Node children
2. select the two children
3. Batch rename the `e` to `%`
4. See that childrens have been renamed to `Nod_` and `Nod_2` without warning 

### Minimal reproduction project

N/A
ClassDB::bind_method("rename", &RenameDialog::rename);
}
void RenameDialog::_update_substitute() {
	LineEdit *focus_owner_line_edit = Object::cast_to<LineEdit>(get_viewport()->gui_get_focus_owner());
	bool is_main_field = _is_main_field(focus_owner_line_edit);
	but_insert_name->set_disabled(!is_main_field);
	but_insert_parent->set_disabled(!is_main_field);
	but_insert_type->set_disabled(!is_main_field);
	but_insert_scene->set_disabled(!is_main_field);
	but_insert_root->set_disabled(!is_main_field);
	but_insert_count->set_disabled(!is_main_field);
	
	but_insert_name->set_focus_mode(Control::FOCUS_NONE);
	but_insert_parent->set_focus_mode(Control::FOCUS_NONE);
	but_insert_type->set_focus_mode(Control::FOCUS_NONE);
	but_insert_scene->set_focus_mode(Control::FOCUS_NONE);
	but_insert_root->set_focus_mode(Control::FOCUS_NONE);
	but_insert_count->set_focus_mode(Control::FOCUS_NONE);
}
void RenameDialog::_post_popup() {
	ConfirmationDialog::_post_popup();
	EditorSelection *editor_selection = EditorNode::get_singleton()->get_editor_selection();
	preview_node = nullptr;
	Array selected_node_list = editor_selection->get_selected_nodes();
	ERR_FAIL_COND(selected_node_list.size() == 0);
	preview_node = Object::cast_to<Node>(selected_node_list[0]);
	_update_preview();
	_update_substitute();
}
void RenameDialog::_update_preview_int(int new_value) {