[Bugfix][Refactor] Fix compressed tensor moe init

[kyuyeunk]

Description

Fixes #1280

Tests

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[github-actions]

Description

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Tests

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Checklist

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• I have performed a self-review of my code.
• I have necessary comments in my code, particularly in hard-to-understand areas.
• I have made or will make corresponding changes to any relevant documentation.

[jrplatin]

LGTM and tested that it works as expected, thanks Kyuyeun!