Fix for WithTenant() lost orig context

[esnible]

Signed-off-by: Ed Snible [email protected]

We missed a cut-and-paste error on the review of the previous PR #3661

Fixed the bug and added a test for it.

[codecov]

Codecov Report

Merging #3685 (c076573) into main (2fd214e) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #3685      +/-   ##
==========================================
- Coverage   96.59%   96.58%   -0.02%     
==========================================
  Files         268      268              
  Lines       15717    15717              
==========================================
- Hits        15182    15180       -2     
- Misses        446      447       +1     
- Partials       89       90       +1     

Impacted Files	Coverage Δ
storage/tenant.go	100.00% <100.00%> (ø)
cmd/query/app/static_handler.go	95.80% <0.00%> (-1.20%)	⬇️

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