Workaround for node-red overwriting linkSource object on linked calls

flows.json

[
    {
        "id": "3c403b0fd8ac9f67",
        "type": "api-current-state",
        "z": "c47a770c26e3be71",
        "name": "Get price from Nordpool",
        "server": "72b5aa9aa9eb914e",
        "version": 3,
        "outputs": 1,
        "halt_if": "",
        "halt_if_type": "str",
        "halt_if_compare": "is",
        "entity_id": "sensor.nordpool_kwh_krsand_nok_3_095_025",
        "state_type": "str",
        "blockInputOverrides": false,
        "outputProperties": [
            {
                "property": "payload",
                "propertyType": "msg",
                "value": "",
                "valueType": "entityState"
            },
            {
                "property": "data",
                "propertyType": "msg",
                "value": "",
                "valueType": "entity"
            }
        ],
        "for": "0",
        "forType": "num",
        "forUnits": "minutes",
        "override_topic": false,
        "state_location": "payload",
        "override_payload": "msg",
        "entity_location": "data",
        "override_data": "msg",
        "x": 310,
        "y": 220,
        "wires": [
            [
                "7ac89a363830089e"
            ]
        ]
    },
    {
        "id": "7ac89a363830089e",
        "type": "ps-receive-price",
        "z": "c47a770c26e3be71",
        "name": "Price Receiver",
        "x": 520,
        "y": 220,
        "wires": [
            [
                "26a94237de13f1bf"
            ]
        ]
    },
    {
        "id": "26a94237de13f1bf",
        "type": "ps-general-add-tariff",
        "z": "c47a770c26e3be71",
        "name": "Add Agder Energi tariff",
        "periods": [
            {
                "start": "22",
                "value": "0,4251"
            },
            {
                "start": "06",
                "value": "0,5251"
            }
        ],
        "validFrom": "",
        "validTo": "",
        "days": {
            "Mon": true,
            "Tue": true,
            "Wed": true,
            "Thu": true,
            "Fri": true,
            "Sat": true,
            "Sun": true
        },
        "x": 720,
        "y": 220,
        "wires": [
            [
                "a7493a23baefa8bc"
            ]
        ]
    },
    {
        "id": "06adaf9b313ede9c",
        "type": "link in",
        "z": "c47a770c26e3be71",
        "name": "Powersaver",
        "links": [],
        "x": 125,
        "y": 220,
        "wires": [
            [
                "3c403b0fd8ac9f67",
                "a7e62e72690cdf53"
            ]
        ]
    },
    {
        "id": "357f34b69234efb3",
        "type": "link out",
        "z": "c47a770c26e3be71",
        "name": "link out 3",
        "mode": "return",
        "links": [],
        "x": 1305,
        "y": 300,
        "wires": []
    },
    {
        "id": "7a3b85d3db7bb417",
        "type": "inject",
        "z": "c47a770c26e3be71",
        "name": "",
        "props": [
            {
                "p": "payload"
            },
            {
                "p": "topic",
                "vt": "str"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "x": 240,
        "y": 420,
        "wires": [
            [
                "0cfadf7d4646f6b9"
            ]
        ]
    },
    {
        "id": "0cfadf7d4646f6b9",
        "type": "link call",
        "z": "c47a770c26e3be71",
        "name": "Call powersaver",
        "links": [
            "06adaf9b313ede9c"
        ],
        "linkType": "static",
        "timeout": "30",
        "x": 500,
        "y": 420,
        "wires": [
            [
                "7127ef95e7820258"
            ]
        ]
    },
    {
        "id": "9a792d2b8381b334",
        "type": "join",
        "z": "c47a770c26e3be71",
        "name": "",
        "mode": "custom",
        "build": "object",
        "property": "payload",
        "propertyType": "msg",
        "key": "topic",
        "joiner": "\\n",
        "joinerType": "str",
        "accumulate": false,
        "timeout": "",
        "count": "2",
        "reduceRight": false,
        "reduceExp": "",
        "reduceInit": "",
        "reduceInitType": "",
        "reduceFixup": "",
        "x": 1050,
        "y": 300,
        "wires": [
            [
                "9a18394b4398b2ec"
            ]
        ]
    },
    {
        "id": "a7e62e72690cdf53",
        "type": "function",
        "z": "c47a770c26e3be71",
        "name": "Topic",
        "func": "msg.topic = \"link\";\nmsg.payload = msg._linkSource;\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 250,
        "y": 300,
        "wires": [
            [
                "9a792d2b8381b334"
            ]
        ]
    },
    {
        "id": "a7493a23baefa8bc",
        "type": "function",
        "z": "c47a770c26e3be71",
        "name": "Topic",
        "func": "msg.topic = \"powersaver\";\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 890,
        "y": 220,
        "wires": [
            [
                "9a792d2b8381b334"
            ]
        ]
    },
    {
        "id": "9a18394b4398b2ec",
        "type": "function",
        "z": "c47a770c26e3be71",
        "name": "Create result",
        "func": "msg = {\n    \"_linkSource\":msg.payload.link,\n    \"payload\": msg.payload.powersaver\n}\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 1190,
        "y": 300,
        "wires": [
            [
                "357f34b69234efb3"
            ]
        ]
    },
    {
        "id": "7127ef95e7820258",
        "type": "debug",
        "z": "c47a770c26e3be71",
        "name": "debug 10",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "false",
        "statusVal": "",
        "statusType": "auto",
        "x": 720,
        "y": 420,
        "wires": []
    },
    {
        "id": "72b5aa9aa9eb914e",
        "type": "server",
        "name": "Home Assistant",
        "version": 5,
        "addon": false,
        "rejectUnauthorizedCerts": true,
        "ha_boolean": "y|yes|true|on|home|open",
        "connectionDelay": true,
        "cacheJson": true,
        "heartbeat": true,
        "heartbeatInterval": "30",
        "areaSelector": "friendlyName",
        "deviceSelector": "friendlyName",
        "entitySelector": "friendlyName",
        "statusSeparator": ": ",
        "statusYear": "hidden",
        "statusMonth": "short",
        "statusDay": "numeric",
        "statusHourCycle": "h23",
        "statusTimeFormat": "h:m",
        "enableGlobalContextStore": true
    }
]