feat(SDK): support image mode convert for Image type

[tianweidut]

Description

Modules

• Python-SDK

Checklist

• run code format and lint check
• add unit test
• add necessary doc

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (1281ba8) 82.73% compared to head (72180ce) 92.06%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3010      +/-   ##
============================================
+ Coverage     82.73%   92.06%   +9.33%     
============================================
  Files           555      124     -431     
  Lines         30355    14969   -15386     
  Branches       1831        0    -1831     
============================================
- Hits          25113    13781   -11332     
+ Misses         4433     1188    -3245     
+ Partials        809        0     -809     

Flag	Coverage Δ
console	?
controller	?
standalone	92.06% <100.00%> (+0.01%)	⬆️
unittests	92.06% <100.00%> (+0.29%)	⬆️

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[anda-ren]

LGTM