### Godot version

3.5.1mono

### System information

windows10

### Issue description

Error message
 scene/main/node.cpp:1362 - Index p_index = 0 is out of bounds (data.children.size() = 0).
 scene/main/node.cpp:397 - Parameter "p_child" is null.
 scene/gui/tab_container.cpp:593 - Index p_current = 0 is out of bounds (get_tab_count() = 0).
See "Steps to reproduce for details"

### Steps to reproduce

Set an external text editor
Create a script
Drop the script to the built-in text editor like this image:
![image](https://user-images.githubusercontent.com/119792950/209504041-039f2620-5e42-4c0f-8c41-cd24486fb3d2.png)
And got error message:
 scene/main/node.cpp:1362 - Index p_index = 0 is out of bounds (data.children.size() = 0).
 scene/main/node.cpp:397 - Parameter "p_child" is null.
 scene/gui/tab_container.cpp:593 - Index p_current = 0 is out of bounds (get_tab_count() = 0).

### Minimal reproduction project

An empty project
ResourceLoader::get_recognized_extensions_for_type("Script", &extensions);
			file_dialog->clear_filters();
			for (int i = 0; i < extensions.size(); i++) {
				file_dialog->add_filter("*." + extensions[i], extensions[i].to_upper());
			}
			for (const String &E : textfile_extensions) {
				file_dialog->add_filter("*." + E, E.to_upper());
			}
			file_dialog->popup_file_dialog();
			file_dialog->set_title(TTR("Open File"));
			return;
		} break;
		case FILE_REOPEN_CLOSED: {
			if (previous_scripts.is_empty()) {
				return;
			}
			String path = previous_scripts.back()->get();
			previous_scripts.pop_back();
			List<String> extensions;
			ResourceLoader::get_recognized_extensions_for_type("Script", &extensions);
			bool built_in = !path.is_resource_file();
			if (extensions.find(path.get_extension()) || built_in) {
				if (built_in) {
					String res_path = path.get_slice("::", 0);
					if (ResourceLoader::get_resource_type(res_path) == "PackedScene") {
						if (!EditorNode::get_singleton()->is_scene_open(res_path)) {
							EditorNode::get_singleton()->load_scene(res_path);
						}
					} else {
						EditorNode::get_singleton()->load_resource(res_path);