### Godot version

4.1.stable

### System information

Windows 11 (x64), Intel(R) Core(TM) i5-9400 CPU, Vulkan,  NVIDIA GeForce GTX 1660 Ti driver version 528.24

### Issue description

Every time you right click the Filter Nodes field, it duplicates the 'Filters' section in the dropdown.

https://github.com/godotengine/godot/assets/104696964/b8d867c9-ba31-47c5-91c8-23cfa02f1c89



### Steps to reproduce

Rightclick the Filter Nodes field.

### Minimal reproduction project

N/A
if (!_validate_no_foreign()) {
		return;
	}
	List<Node *> selection = editor_selection->get_selected_node_list();
	if (selection.is_empty()) {
		return; 
	}
	Node *to_node = get_node(p_to);
	if (!to_node) {
		return;
	}
	Vector<Node *> nodes;
	for (Node *E : selection) {
		nodes.push_back(E);
	}
	int to_pos = -1;
	_normalize_drop(to_node, to_pos, p_type);
	_do_reparent(to_node, to_pos, nodes, !Input::get_singleton()->is_key_pressed(Key::SHIFT));
}
void SceneTreeDock::_add_children_to_popup(Object *p_obj, int p_depth) {