### 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.
TypedArray<int> folded_lines;
	for (int i = 0; i < get_line_count(); i++) {
		if (is_line_folded(i)) {
			folded_lines.push_back(i);
		}
	}
	return folded_lines;
}
void CodeEdit::add_string_delimiter(const String &p_start_key, const String &p_end_key, bool p_line_only) {
	_add_delimiter(p_start_key, p_end_key, p_line_only, TYPE_STRING);
}
void CodeEdit::remove_string_delimiter(const String &p_start_key) {
	_remove_delimiter(p_start_key, TYPE_STRING);
}
bool CodeEdit::has_string_delimiter(const String &p_start_key) const {
	return _has_delimiter(p_start_key, TYPE_STRING);
}
void CodeEdit::set_string_delimiters(const TypedArray<String> &p_string_delimiters) {
	_set_delimiters(p_string_delimiters, TYPE_STRING);
}
void CodeEdit::clear_string_delimiters() {
	_clear_delimiters(TYPE_STRING);
}
TypedArray<String> CodeEdit::get_string_delimiters() const {
	return _get_delimiters(TYPE_STRING);
}
int CodeEdit::is_in_string(int p_line, int p_column) const {