[Bug][Sort] DorisLoadNode repeat

[bigide-dataops]

https://github.com/apache/inlong/blame/92794e15f3a418ce2396f911f61cc38b41a3b9b0/inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/protocol/node/LoadNode.java#L83

[github-actions]

Hello @bigide-dataops, thank you for opening your first issue in InLong 🧡 We will respond as soon as possible ⏳
If this is a bug report, please provide screenshots or error logs for us to reproduce your issue, so we can do our best to fix it.
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[EMsnap]

Yes, something needs to be fixed, any interest on submitting a pr for this ? @bigide-dataops

[XiaoYou201]

I would like to solve this issue.