fix: Out of memory in case of empty table has been used to build part…

[paveltiunov]

…itioned pre-aggregation

Check List

• Tests has been run in packages where changes made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required

[codecov]

Codecov Report

Merging #4021 (cee74c9) into master (38f4840) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4021      +/-   ##
==========================================
+ Coverage   57.96%   57.98%   +0.01%     
==========================================
  Files         127      127              
  Lines       10662    10662              
  Branches     2594     2594              
==========================================
+ Hits         6180     6182       +2     
+ Misses       4003     4001       -2     
  Partials      479      479              

Flag	Coverage Δ
cube-backend	57.98% <ø> (+0.01%)	⬆️

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Impacted Files	Coverage Δ
...y-orchestrator/src/orchestrator/PreAggregations.ts	81.26% <ø> (+0.28%)	⬆️

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