Init data not save organizations.accountItems/users.properties to database

[MyColorfulDays]

When the init_data.json define the organizations.accountItems/users.properties, the value of it not be saved in database.

{
    "organizations": [
        {
            "owner": "admin",
            "name": "org-test",
            "displayName": "org-test",
            "websiteUrl": "",
            "favicon": "",
            "passwordType": "plain",
            "passwordSalt": "",
            "passwordOptions": [
                "AtLeast6"
            ],
            "countryCodes": [
                "US",
                "CN"
            ],
            "defaultAvatar": "",
            "defaultApplication": "",
            "tags": [],
            "languages": [
                "en",
                "zh"
            ],
            "masterPassword": "",
            "defaultPassword": "",
            "initScore": 2000,
            "enableSoftDeletion": false,
            "isProfilePublic": true,
            "accountItems": [
                {
                    "name": "Properties",
                    "visible": true,
                    "viewRule": "Admin",
                    "modifyRule": "Admin"
                }
            ]
        }
    ],
    "users": [
        {
            "owner": "org-test",
            "name": "admin",
            "type": "normal-user",
            "password": "123456",
            "displayName": "Admin",
            "avatar": "",
            "email": "test@test.localhost",
            "phone": "",
            "countryCode": "",
            "address": [],
            "affiliation": "",
            "tag": "",
            "score": 2000,
            "ranking": 1,
            "isAdmin": true,
            "isForbidden": false,
            "isDeleted": false,
            "signupApplication": "",
            "createdIp": "",
            "groups": [],
            "properties": {
                "key": "value"
            }
        }
    ]
}

[casbin-bot]

@tangyang9464 @JalinWang @imp2002

[MyColorfulDays]

Hi @hsluoyz
I made a pull request and I hope you can accept it.
#2886