Fix format roboflow for coco

[sooahleex]

Summary

• Fix format of roboflow dataset with coco format.
• For this case, we need to use roboflow_coco

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added the description of my changes into CHANGELOG.​
• I have updated the documentation accordingly

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2023 Intel Corporation
#
# SPDX-License-Identifier: MIT

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: +0.01% 🎉

Comparison is base (2015d4c) 79.97% compared to head (9e039eb) 79.98%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1113      +/-   ##
===========================================
+ Coverage    79.97%   79.98%   +0.01%     
===========================================
  Files          258      258              
  Lines        29299    29299              
  Branches      5740     5740              
===========================================
+ Hits         23433    23436       +3     
+ Misses        4516     4515       -1     
+ Partials      1350     1348       -2     

Flag	Coverage Δ
macos-11_Python-3.8	79.08% <ø> (+<0.01%)	⬆️
ubuntu-20.04_Python-3.8	79.97% <ø> (ø)
windows-2019_Python-3.8	79.90% <ø> (?)

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see 1 file with indirect coverage changes

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[vinnamkim]

LGTM.