### Godot version

4.1.dev (a7276f1ce0)

### System information

MacOS 13.3 M1 Pro

### Issue description

when doing a Batch rename with two nodes being present in a `NodePath`. Batch Rename will try to update the `NodePath` but will fail which will results in this error
<img width="515" alt="Capture d’écran 2023-04-14 à 23 59 02" src="https://user-images.githubusercontent.com/66184050/232161972-57b49435-7707-4e41-bfed-613b073477b7.png">


### Steps to reproduce

1. Open the minimal reproduction project or follow the instruction below:
    1. first reproduce the following tree (this is because of #76069) <img width="235" alt="Capture d’écran 2023-04-14 à 23 09 47" src="https://user-images.githubusercontent.com/66184050/232155382-da3f9e22-26fb-4e10-bdcb-07cb60c25ea1.png">
    2. add a script to the root and export a `NodePath` variable
    3. Set the exported variable to the `GrandChild` node
4. select all node except the root.
5. Batch rename `C` to `T` for example
6. Inspect the root node. You should have a broken `NodePath` and an error.

### Minimal reproduction project

[test1.zip](https://github.com/godotengine/godot/files/11237175/test1.zip)
add_child(vbc);
	
	GridContainer *grd_main = memnew(GridContainer);
	grd_main->set_columns(2);
	grd_main->set_v_size_flags(Control::SIZE_EXPAND_FILL);
	vbc->add_child(grd_main);
	
	Label *lbl_search = memnew(Label);
	lbl_search->set_text(TTR("Search:"));
	lne_search = memnew(LineEdit);
	lne_search->set_name("lne_search");
	lne_search->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	Label *lbl_replace = memnew(Label);
	lbl_replace->set_text(TTR("Replace:"));
	lne_replace = memnew(LineEdit);
	lne_replace->set_name("lne_replace");
	lne_replace->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	grd_main->add_child(lbl_search);
	grd_main->add_child(lbl_replace);
	grd_main->add_child(lne_search);
	grd_main->add_child(lne_replace);
	
	Label *lbl_prefix = memnew(Label);
	lbl_prefix->set_text(TTR("Prefix:"));
	lne_prefix = memnew(LineEdit);
	lne_prefix->set_name("lne_prefix");
	lne_prefix->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	Label *lbl_suffix = memnew(Label);
	lbl_suffix->set_text(TTR("Suffix:"));
	lne_suffix = memnew(LineEdit);