fix: Return value for custom-time/numeric formatios for /v1/load anno…

[ovr]

…tations

After moving to native query orchestrator, we lost it.

Before fix:

After:

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.74%. Comparing base (e27868c) to head (8c9c74c).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #10554   +/-   ##
=======================================
  Coverage   57.74%   57.74%           
=======================================
  Files         223      223           
  Lines       17523    17523           
  Branches     3605     3605           
=======================================
  Hits        10118    10118           
  Misses       6861     6861           
  Partials      544      544           

Flag	Coverage Δ
cube-backend	57.74% <ø> (ø)

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