### 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.
}
bool CodeCompletionOptionCompare::operator()(const ScriptLanguage::CodeCompletionOption &l, const ScriptLanguage::CodeCompletionOption &r) const {
	TypedArray<int> lcharac = l.get_option_cached_characteristics();
	TypedArray<int> rcharac = r.get_option_cached_characteristics();
	if (lcharac != rcharac) {
		return lcharac < rcharac;
	}
	
	for (int i = 0; i < l.matches.size(); ++i) {
		if (l.matches[i].first != r.matches[i].first) {
			return l.matches[i].first < r.matches[i].first;
		}
		if (l.matches[i].second != r.matches[i].second) {
			return l.matches[i].second > r.matches[i].second;
		}
	}
	return l.display.naturalnocasecmp_to(r.display) < 0;
}