Adding uuid to dataset version

[ilongin]

We needed unique identified of specific dataset, as name + version is not strong enough. User can remove dataset and re-create it with the same name + version.

This is needed in scenarios like pulling dataset from remote where we need to check if dataset already exists in user's local DB where it can be named differently or have different version, but it's the same dataset regardless.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.83%. Comparing base (b0e3a32) to head (bd56209).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #587   +/-   ##
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  Coverage   87.83%   87.83%           
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  Files         100      100           
  Lines        9993     9997    +4     
  Branches     1356     1356           
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+ Hits         8777     8781    +4     
  Misses        873      873           
  Partials      343      343           

Flag	Coverage Δ
datachain	87.77% <100.00%> (+<0.01%)	⬆️

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