[BUG] [Java Service]Failed to get data origin in v1/v2 string-based GET/POST API.

Describe the bug
commit:2a16c214690243b83109a776751ed50773689bf7
Failed to get data origin in key-based GET/POST API.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'GET [/i18n/api/v2/translation/products/{productName}/versions/{version}/locales/{locale}/components/{component}/keys]' API.
2. Input valid product/version/locale/component/key in this API:
   http://localhost:8091/i18n/api/v2/translation/products/VMwareVIP2018/versions/1.1.0/locales/en/components/Test.ABC_abc-123/keys?keys=Test.ABC_abc-123&pseudo=false
3. Get response as below: dataOrigin is empty

{
  "response": {
    "code": 200,
    "message": "OK",
    "serverTime": ""
  },
  "signature": "",
  "data": {
    "productName": "VMwareVIP2018",
    "version": "1.1.0",
    "dataOrigin": "",
    "pseudo": false,
    "machineTranslation": false,
    "component": "Test.ABC_abc-123",
    "messages": {
      "Test.ABC_abc-123": "The 1st Notes"
    },
    "locale": "en",
    "status": "",
    "id": 0
  }
}

Expected behavior
Can get the data origin in response:
cache or bundle

Start by reproducing the GET /i18n/api/v2/translation/products/{productName}/versions/{version}/locales/{locale}/components/{component}/keys request with the example values and inspect its response. Done means the response's dataOrigin identifies the source as either cache or bundle; the issue does not name a source file or test.