Fix Synthia data format and Add Synthia AL and SF formats

[wonjuleee]

Summary

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: 96.22% and project coverage change: +0.03 🎉

Comparison is base (fbce79b) 78.71% compared to head (19f1092) 78.75%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #987      +/-   ##
===========================================
+ Coverage    78.71%   78.75%   +0.03%     
===========================================
  Files          231      233       +2     
  Lines        26452    26502      +50     
  Branches      5260     5267       +7     
===========================================
+ Hits         20823    20871      +48     
- Misses        4404     4405       +1     
- Partials      1225     1226       +1     

Flag	Coverage Δ
macos-11_Python-3.8	77.78% <96.22%> (+0.03%)	⬆️
ubuntu-20.04_Python-3.8	78.72% <96.22%> (+0.03%)	⬆️
windows-2019_Python-3.8	78.63% <96.22%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
datumaro/util/mask_tools.py	77.59% <66.66%> (-0.86%)	⬇️
datumaro/plugins/data_formats/synthia/base.py	84.95% <95.55%> (ø)
datumaro/plugins/data_formats/synthia/format.py	100.00% <100.00%> (ø)
datumaro/plugins/data_formats/synthia/importer.py	100.00% <100.00%> (ø)

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[vinnamkim]

LGTM.

[cih9088]

Suggested change

	def make_categories(label_map=None):
	def make_categories(label_map):