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Fix --version help and output for plugins ( 2180)

Fix --version help and output for plugins ( 2180): a task in repo2rlenv-commit-runtime-v2 (Harbor dataset). Title: --version flag help text and version output show wrong command name for plugins using CommandDisplayNameAnnotation

The task

**Title:** `--version` flag help text and version output show wrong command name for plugins using `CommandDisplayNameAnnotation`

Part of FineEnvs/repo2rlenv-commit-runtime.