### Godot version

v4.0.beta.custom_build [0abd60b95]

### System information

Windows 10, Vulkan

### Issue description

Autocomplete doesn't work when trying to access a scene node that isn't a direct child of the scene root script, using $NodePath (Shorthand for get_node("NodePath") as per docs).

Example:
![image](https://user-images.githubusercontent.com/115422160/212197922-10e73c9f-de10-475e-ac6e-4163fc5b8013.png)

It worked in Godot 3.5:
![3.5](https://user-images.githubusercontent.com/115422160/212197992-61b67a42-86c6-4650-bab4-c7dfa5a67975.PNG)

I should mention that it works if you start by typing the name of a direct child:
![image](https://user-images.githubusercontent.com/115422160/212198641-6d8e6fca-a2d2-47a7-b627-2df95268daf5.png)

But when you have many nodes in the scene and longer names it's a pain to access the last children like that.


### Steps to reproduce

See above or MRP.

### Minimal reproduction project

[autocomplete bug.zip](https://github.com/godotengine/godot/files/10406695/autocomplete.bug.zip)

if (!symbol_lookup_word.is_empty()) {
		return CURSOR_POINTING_HAND;
	}
	if ((code_completion_active && code_completion_rect.has_point(p_pos)) || (!is_editable() && (!is_selecting_enabled() || get_line_count() == 0))) {
		return CURSOR_ARROW;
	}
	if (code_completion_active && code_completion_scroll_rect.has_point(p_pos)) {
		return CURSOR_ARROW;
	}
	Point2i pos = get_line_column_at_pos(p_pos, false);
	int line = pos.y;
	int col = pos.x;
	if (line != -1 && is_line_folded(line)) {
		int wrap_index = get_line_wrap_index_at_column(line, col);
		if (wrap_index == get_line_wrap_count(line)) {
			int eol_icon_width = folded_eol_icon->get_width();
			int left_margin = get_total_gutter_width() + eol_icon_width + get_line_width(line, wrap_index) - get_h_scroll();
			if (p_pos.x > left_margin && p_pos.x <= left_margin + eol_icon_width + 3) {
				return CURSOR_POINTING_HAND;
			}
		}
	}
	return TextEdit::get_cursor_shape(p_pos);
}
void CodeEdit::_handle_unicode_input_internal(const uint32_t p_unicode, int p_caret) {