backup task created from cloud

[Eldies]

Motivation and context

Making a backup for tasks/projects created from cloud storage

How has this been tested?

Checklist

• I submit my changes into the develop branch
• I have created a changelog fragment
• I have updated the documentation accordingly
• I have added tests to cover my changes
• I have linked related issues (see GitHub docs)

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.

[zhiltsov-max]

Please update the changelog

[zhiltsov-max]

Please make tests pass successfully.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.91%. Comparing base (89c4af5) to head (a73ff0c).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #8972      +/-   ##
===========================================
+ Coverage    73.74%   73.91%   +0.16%     
===========================================
  Files          428      428              
  Lines        44502    44517      +15     
  Branches      3877     3877              
===========================================
+ Hits         32820    32906      +86     
+ Misses       11682    11611      -71     

Components	Coverage Δ
cvat-ui	77.45% <ø> (-0.02%)	⬇️
cvat-server	71.00% <100.00%> (+0.32%)	⬆️

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud