refactor(transformer/arrow-function): create a new ident instead of clone

[Dunqing]

There seems no reason to use a cloned identifier.

[Dunqing]

• refactor(transformer/arrow-function): create a new ident instead of clone #8338 👈 (View in Graphite)
• main

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[codspeed-hq]

CodSpeed Performance Report

Merging #8338 will not alter performance

_{Comparing 01-08-refactor_transformer_arrow-function_create_a_new_ident_instead_of_clone (fb389f7) with main (8d52cd0)}

Summary

✅ 29 untouched benchmarks

[overlookmotel]

Merge activity

• Jan 8, 2:41 PM EST: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Jan 8, 2:43 PM EST: A user added this pull request to the Graphite merge queue.
• Jan 8, 2:49 PM EST: A user merged this pull request with the Graphite merge queue.