Add option to check for addition chat message properties

lib/utils/temp-variable.cpp

@@ -161,6 +161,7 @@ void TempVariableRef::Save(obs_data_t *obj, const char *name) const
 	obs_data_set_int(data, "type", static_cast<int>(type));
 	obs_data_set_int(data, "idx", GetIdx());
 	obs_data_set_string(data, "id", _id.c_str());
+	obs_data_set_int(data, "version", 1);
 	obs_data_set_obj(obj, name, data);
 }
 
@@ -175,6 +176,14 @@ void TempVariableRef::Load(obs_data_t *obj, Macro *macro, const char *name)
 	_id = obs_data_get_string(data, "id");
 	const auto type =
 		static_cast<SegmentType>(obs_data_get_int(data, "type"));
+
+	// Backwards compatibility checks
+	if (obs_data_get_int(data, "version") < 1) {
+		if (_id == "chatter") {
+			_id = "user_login";
+		}
+	}
+
 	AddPostLoadStep([this, idx, type, macro]() {
 		this->PostLoad(idx, type, macro);
 	});