### 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
lne_suffix->set_name("lne_suffix");
	lne_suffix->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	grd_main->add_child(lbl_prefix);
	grd_main->add_child(lbl_suffix);
	grd_main->add_child(lne_prefix);
	grd_main->add_child(lne_suffix);
	
	cbut_regex = memnew(CheckButton);
	cbut_regex->set_text(TTR("Use Regular Expressions"));
	vbc->add_child(cbut_regex);
	CheckButton *cbut_collapse_features = memnew(CheckButton);
	cbut_collapse_features->set_text(TTR("Advanced Options"));
	vbc->add_child(cbut_collapse_features);
	tabc_features = memnew(TabContainer);
	tabc_features->set_use_hidden_tabs_for_min_size(true);
	vbc->add_child(tabc_features);
	
	VBoxContainer *vbc_substitute = memnew(VBoxContainer);
	vbc_substitute->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	vbc_substitute->set_name(TTR("Substitute"));
	tabc_features->add_child(vbc_substitute);
	cbut_substitute = memnew(CheckBox);
	cbut_substitute->set_text(TTR("Substitute"));
	vbc_substitute->add_child(cbut_substitute);
	GridContainer *grd_substitute = memnew(GridContainer);
	grd_substitute->set_columns(3);
	vbc_substitute->add_child(grd_substitute);
	
	but_insert_name = memnew(Button);
	but_insert_name->set_text("NAME");