test(warehouse): verify workspace ID in stats

[achettyiitr]

Description

workspace ID needs to be populated in warehouse stats. Also, it should be populated in wh_staging_files and wh_uploads as well.

Notion Ticket

https://www.notion.so/rudderstacks/Stats-testing-for-workspace-using-prometheus-926ef3734a214785827cac25f59706ac

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[codecov]

Codecov Report

Base: 44.06% // Head: 44.02% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (0d79c05) compared to base (71d8c99).
Patch coverage: 67.46% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2615      +/-   ##
==========================================
- Coverage   44.06%   44.02%   -0.04%     
==========================================
  Files         188      188              
  Lines       39266    39269       +3     
==========================================
- Hits        17301    17288      -13     
- Misses      20861    20876      +15     
- Partials     1104     1105       +1     

Impacted Files	Coverage Δ
warehouse/deltalake/deltalake.go	0.00% <0.00%> (ø)
warehouse/postgres/postgres.go	0.00% <0.00%> (ø)
warehouse/utils/utils.go	70.18% <0.00%> (ø)
warehouse/warehouse.go	8.83% <0.00%> (-0.02%)	⬇️
warehouse/stats.go	64.76% <71.42%> (ø)
warehouse/archiver.go	65.32% <100.00%> (ø)
services/stats/stats.go	88.48% <0.00%> (-1.82%)	⬇️
services/rsources/handler.go	69.72% <0.00%> (-1.39%)	⬇️
processor/processor.go	71.23% <0.00%> (-0.83%)	⬇️
enterprise/reporting/reporting.go	9.77% <0.00%> (+1.43%)	⬆️
... and 2 more

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