fix: get correct parent module for root module of concatenated module

[ahabhgk]

Summary

fix #7170

parent_module_by_dependency_id is using connection.original_module_identifier to find the parent module, but connection will be update by concatenated module, the parent of a module will be updated from the root module of the concatenated module to the concatenated module, which causes get_mode returns a wrong mode, and generate wrong code

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[JSerFeng]

Also fix #7133