### 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.
int mask = get_line_gutter_metadata(p_line, main_gutter);
	set_line_gutter_metadata(p_line, main_gutter, p_bookmarked ? mask | MAIN_GUTTER_BOOKMARK : mask & ~MAIN_GUTTER_BOOKMARK);
	queue_redraw();
}
bool CodeEdit::is_line_bookmarked(int p_line) const {
	return (int)get_line_gutter_metadata(p_line, main_gutter) & MAIN_GUTTER_BOOKMARK;
}
void CodeEdit::clear_bookmarked_lines() {
	for (int i = 0; i < get_line_count(); i++) {
		if (is_line_bookmarked(i)) {
			set_line_as_bookmarked(i, false);
		}
	}
}
PackedInt32Array CodeEdit::get_bookmarked_lines() const {
	PackedInt32Array ret;
	for (int i = 0; i < get_line_count(); i++) {
		if (is_line_bookmarked(i)) {
			ret.append(i);
		}
	}
	return ret;
}
void CodeEdit::set_line_as_executing(int p_line, bool p_executing) {