feat: Suggest export/unload for large pre-aggregations (detect via st…

[ovr]

…reaming)

Hello!

Thanks

[codecov]

Codecov Report

Merging #2930 (7ced216) into master (0f83356) will decrease coverage by 0.09%.
The diff coverage is 48.38%.

@@            Coverage Diff             @@
##           master    #2930      +/-   ##
==========================================
- Coverage   56.90%   56.81%   -0.10%     
==========================================
  Files         117      118       +1     
  Lines        9053     9071      +18     
  Branches     1974     1975       +1     
==========================================
+ Hits         5152     5154       +2     
- Misses       3558     3574      +16     
  Partials      343      343              

Impacted Files	Coverage Δ
...ages/cubejs-query-orchestrator/src/driver/utils.ts	100.00% <ø> (ø)
...hestrator/src/orchestrator/StreamObjectsCounter.ts	30.76% <30.76%> (ø)
...y-orchestrator/src/orchestrator/PreAggregations.ts	89.06% <61.11%> (-0.26%)	⬇️
packages/cubejs-backend-shared/src/env.ts	38.23% <0.00%> (-1.77%)	⬇️

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