[INLONG-5104][Docker] Update flink address environment for Flink sort plugin

[dockerzhang]

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• Title Example: [INLONG-XYZ][Component] Title of the pull request

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• Fixes [Improve][Manager] Update Flink address environment for Sort Flink plugin #5104

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Modifications

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Verifying this change

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• This change is a trivial rework/code cleanup without any test coverage.

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Documentation

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