### 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.
GDScriptParser::DataType type;
	String enumeration;
	Variant value;
	const GDScriptParser::ExpressionNode *assigned_expression = nullptr;
};
static int _get_property_location(StringName p_class, StringName p_property) {
	if (!ClassDB::has_property(p_class, p_property)) {
		return ScriptLanguage::LOCATION_OTHER;
	}
	int depth = 0;
	StringName class_test = p_class;
	while (class_test && !ClassDB::has_property(class_test, p_property, true)) {
		class_test = ClassDB::get_parent_class(class_test);
		depth++;
	}
	return depth | ScriptLanguage::LOCATION_PARENT_MASK;
}
static int _get_constant_location(StringName p_class, StringName p_constant) {
	if (!ClassDB::has_integer_constant(p_class, p_constant)) {
		return ScriptLanguage::LOCATION_OTHER;
	}
	int depth = 0;
	StringName class_test = p_class;
	while (class_test && !ClassDB::has_integer_constant(class_test, p_constant, true)) {
		class_test = ClassDB::get_parent_class(class_test);
		depth++;
	}
	return depth | ScriptLanguage::LOCATION_PARENT_MASK;
}
static int _get_signal_location(StringName p_class, StringName p_signal) {