### Godot version

4.0 dev_build

### System information

Ubuntu 22.04.1

### Issue description

The "Lookup Symbol" button don't appears for custorm class names.
Related issues: #68475,  #73167.
I tried apply #68311, #69473 and #73196. It don't helps.
The `Ctrl+LMB` works right for all cases.

### Steps to reproduce

Right click to the `CustomClassA` symbol in the `custom_class_b.gd` anywhere. The `Lookup Symbol` button don't appears in the context menu.

### Minimal reproduction project

Example from  #68475.
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 = theme_cache.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) {