MSL320m status incorrect
Issue with Status of MSL-320 status update shows incorrect status.  If device is exercised it wil show the correct status for approximately 1 minute and 30 seconds then the status changes back to off in Homekit while light remains on.

To Reproduce simply exercise the device,  it shows the device turning on but after 90 seconds the dislay changes back to off.

**Expected behavior is for the device to show the correct status at all times.

Logs here
[3/31/2021, 12:48:18 PM] [Meross] MSL-320 Kitchen Left - Set On: true
[3/31/2021, 12:48:18 PM] [Meross] MSL-320 Kitchen Left - Set Brightness: 100
[3/31/2021, 12:48:18 PM] [Meross] Setting power state to On for Kitchen Left
[3/31/2021, 12:48:18 PM] [Meross] MSL-320 Kitchen Left Changes pushed - {"header":{"messageId":"4596d139dcc494838930e28a49d6f244","namespace":"Appliance.Control.ToggleX","method":"SETACK","payloadVersion":1,"from":"/appliance/2007297052951390822348e1e9271921/publish","timestamp":1617209298,"timestampMs":862,"sign":"590c42986ce7cffabb29924cc12a5aec"},"payload":{}}
[3/31/2021, 12:48:18 PM] [Meross] Setting brightness to 100 for Kitchen Left
[3/31/2021, 12:48:18 PM] [Meross] MSL-320 Kitchen Left Changes pushed - {"header":{"messageId":"4596d139dcc494838930e28a49d6f244","namespace":"Appliance.Control.Light","method":"SETACK","payloadVersion":1,"from":"/appliance/2007297052951390822348e1e9271921/publish","timestamp":1617209298,"timestampMs":880,"sign":"590c42986ce7cffabb29924cc12a5aec"},"payload":{"light":{"rgb":-1,"capacity":4,"channel":-1,"temperature":-1,"luminance":100,"transform":-1}}}
[3/31/2021, 12:48:19 PM] [Meross] MSL-320 Kitchen Right - Set On: true
[3/31/2021, 12:48:19 PM] [Meross] MSL-320 Kitchen Right - Set Brightness: 100
[3/31/2021, 12:48:19 PM] [Meross] Setting power state to On for Kitchen Right
[3/31/2021, 12:48:19 PM] [Meross] MSL-320 Kitchen Right Changes pushed - {"header":{"messageId":"185400ab0080a37de559865061f1d6e8","namespace":"Appliance.Control.ToggleX","method":"SETACK","payloadVersion":1,"from":"/appliance/2007293067613790822348e1e92717af/publish","timestamp":1617209299,"timestampMs":586,"sign":"ace0fa2951287432fd591371989852be"},"payload":{}}
[3/31/2021, 12:48:19 PM] [Meross] Setting brightness to 100 for Kitchen Right
[3/31/2021, 12:48:19 PM] [Meross] MSL-320 Kitchen Right Changes pushed - {"header":{"messageId":"185400ab0080a37de559865061f1d6e8","namespace":"Appliance.Control.Light","method":"SETACK","payloadVersion":1,"from":"/appliance/2007293067613790822348e1e92717af/publish","timestamp":1617209299,"timestampMs":603,"sign":"ace0fa2951287432fd591371989852be"},"payload":{"light":{"rgb":-1,"capacity":4,"channel":-1,"temperature":-1,"luminance":100,"transform":-1}}}

[3/31/2021, 12:50:10 PM] [Meross] MSL-320 - Reading 192.168.1.214/status
[3/31/2021, 12:50:10 PM] [Meross] MSL-320 Kitchen Right refreshStatus - {"header":{"messageId":"185400ab0080a37de559865061f1d6e8","namespace":"Appliance.System.Online","method":"GETACK","payloadVersion":1,"from":"/appliance/2007293067613790822348e1e92717af/publish","timestamp":1617209410,"timestampMs":25,"sign":"4e06cffbd35da08f8a9a200431e2e96f"},"payload":{"online":{"status":1}}}
[3/31/2021, 12:50:10 PM] [Meross] Retrieved status unsuccessfully.
[3/31/2021, 12:50:10 PM] [Meross] Retrieved status unsuccessfully.
[3/31/2021, 12:50:10 PM] [Meross] Retrieved status unsuccessfully.
[3/31/2021, 12:50:10 PM] [Meross] Retrieved status unsuccessfully.
[3/31/2021, 12:50:10 PM] [Meross] MSL-320 - Reading 192.168.1.213/status

config.json here
{
    "name": "Meross",
    "devices": [
        {
            "name": "Kitchen Right",
            "model": "MSL-320",
            "deviceUrl": "192.168.1.214",
            "messageId": "185400ab0080a37de5598650********",
            "timestamp": 1617204872,
            "sign": "0a1cdd3fa3420f94474ffbe61********"
        },
        {
            "name": "Kitchen Left",
            "model": "MSL-320",
            "deviceUrl": "192.168.1.213",
            "messageId": "4596d1*******4838930e28a49******",
            "timestamp": 1617204901,
            "sign": "97d81244******76a4d98bcc3a******"
        }
    ],
    "refreshRate": 300,
    "pushRate": 1,
    "platform": "Meross"
}

**Environment:**
Node.js Version  v14.16.0
NPM Version  v6.14.11
Homebridge Version : 1.32
Homebridge Meross Plugin Version 5.0.2
Operating System: Raspbian

