seata在使用nacos作为配置中心时, nacos中的seataServer.properties中使用环境变量的话 是不支持的么?

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Start with the Nacos configuration path for seataServer.properties and reproduce the environment-variable case described in the issue and screenshot. Confirm whether environment-variable substitution is currently supported, identify the expected behavior, and document the result or scope needed for a change.

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