### 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
eh.userdata = this;
	
	cbut_collapse_features->connect("toggled", callable_mp(this, &RenameDialog::_features_toggled));
	
	lne_search->connect("focus_entered", callable_mp(this, &RenameDialog::_update_substitute));
	lne_search->connect("focus_exited", callable_mp(this, &RenameDialog::_update_substitute));
	lne_replace->connect("focus_entered", callable_mp(this, &RenameDialog::_update_substitute));
	lne_replace->connect("focus_exited", callable_mp(this, &RenameDialog::_update_substitute));
	lne_prefix->connect("focus_entered", callable_mp(this, &RenameDialog::_update_substitute));
	lne_prefix->connect("focus_exited", callable_mp(this, &RenameDialog::_update_substitute));
	lne_suffix->connect("focus_entered", callable_mp(this, &RenameDialog::_update_substitute));
	lne_suffix->connect("focus_exited", callable_mp(this, &RenameDialog::_update_substitute));
	
	lne_prefix->connect("text_changed", callable_mp(this, &RenameDialog::_update_preview));
	lne_suffix->connect("text_changed", callable_mp(this, &RenameDialog::_update_preview));
	lne_search->connect("text_changed", callable_mp(this, &RenameDialog::_update_preview));
	lne_replace->connect("text_changed", callable_mp(this, &RenameDialog::_update_preview));
	spn_count_start->connect("value_changed", callable_mp(this, &RenameDialog::_update_preview_int));
	spn_count_step->connect("value_changed", callable_mp(this, &RenameDialog::_update_preview_int));
	spn_count_padding->connect("value_changed", callable_mp(this, &RenameDialog::_update_preview_int));
	opt_style->connect("item_selected", callable_mp(this, &RenameDialog::_update_preview_int));
	opt_case->connect("item_selected", callable_mp(this, &RenameDialog::_update_preview_int));
	cbut_substitute->connect("pressed", callable_mp(this, &RenameDialog::_update_preview).bind(""));
	cbut_regex->connect("pressed", callable_mp(this, &RenameDialog::_update_preview).bind(""));
	cbut_process->connect("pressed", callable_mp(this, &RenameDialog::_update_preview).bind(""));
	but_reset->connect("pressed", callable_mp(this, &RenameDialog::reset));
	reset();
	_features_toggled(false);
}
void RenameDialog::_bind_methods() {