[Feature][RestAPI] Support submit job with seatunnel style hocon format config

[Hisoka-X]

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Description

At now, user only can use json format to submit job with rest api. But json format not fisrt choice in SeaTunnel. We should support submit job with seatunnel style hocon format in rest api.

Usage Scenario

No response

Related issues

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Are you willing to submit a PR?

• [ ] Yes I am willing to submit a PR!

Code of Conduct

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[CosmosNi]

i want try,can be assigned to me