refactor(zentao): add custom types OperatedBy and StringFloat64 to simplify codes

[d4x1]

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Summary

What does this PR do?

1. The progress field in response of zentao's api is a string or a float, at fix(zentao): fix progress field when configurating scopes #6089 we add a progressRes field to receive this field and convert it into progress(float64).
2. So do ClosedBy and CanceledBy fields.

Does this close any open issues?

Closes None

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The main branch cannot running, so test is on the way.

Other Information

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[d4x1]

Here is an example for closedBy field:

{
    "closedBy": {
        "id": 1,
	"account": "admin",
	"avatar": "",
	"realname": "admin"
    },
    "others...": ""
}