fix cliff inference problems

[Zessay]

• modify the cliff config and inference api to run cliff inference

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 85.37%. Comparing base (03b4666) to head (b56c62e).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
mmhuman3d/apis/inference.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #342   +/-   ##
=======================================
  Coverage   85.37%   85.37%           
=======================================
  Files         211      211           
  Lines       20213    20213           
=======================================
  Hits        17256    17256           
  Misses       2957     2957           

Flag	Coverage Δ
unittests	85.37% <66.66%> (ø)

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