### Godot version

4.0.dev [0f76ff2]

### System information

Kubuntu GNU/Linux 23.04

### Issue description

In the current `master` (stable seems fine), the `EditorSettings` doc is nowhere to be found in the editor, even though it exists: https://github.com/godotengine/godot/blob/master/doc/classes/EditorSettings.xml

### Steps to reproduce

Search for "EditorSettings" in the help dialog, or try clicking in a reference to it.

### Minimal reproduction project

N/A
OBJTYPE_RLOCK;
	ClassInfo *ti = classes.getptr(p_class);
	ERR_FAIL_COND_V_MSG(!ti, false, "Cannot get class '" + String(p_class) + "'.");
	return ti->exposed;
}
void ClassDB::add_resource_base_extension(const StringName &p_extension, const StringName &p_class) {
	if (resource_base_extensions.has(p_extension)) {
		return;
	}
	resource_base_extensions[p_extension] = p_class;
}
void ClassDB::get_resource_base_extensions(List<String> *p_extensions) {
	for (const KeyValue<StringName, StringName> &E : resource_base_extensions) {
		p_extensions->push_back(E.key);
	}
}
bool ClassDB::is_resource_extension(const StringName &p_extension) {
	return resource_base_extensions.has(p_extension);
}
void ClassDB::get_extensions_for_type(const StringName &p_class, List<String> *p_extensions) {