[AutoParallel] Fix ckpt convert bug for sharding v2

[zhangbo9674]

PR types

Bug fixes

PR changes

Others

Description

Fix ckpt convert bug for sharding v2

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 53.06%. Comparing base (bc55104) to head (1e12da5).
Report is 4 commits behind head on develop.

Files with missing lines	Patch %	Lines
paddlenlp/trainer/utils/ckpt_converter.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #9179      +/-   ##
===========================================
- Coverage    53.07%   53.06%   -0.02%     
===========================================
  Files          656      656              
  Lines       106095   106147      +52     
===========================================
+ Hits         56309    56324      +15     
- Misses       49786    49823      +37     

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