Don't overwrite query in realm for token exchange

[jonjohnsonjr]

Fixes #757

[codecov-commenter]

Codecov Report

Merging #758 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #758   +/-   ##
=======================================
  Coverage   79.02%   79.02%           
=======================================
  Files         102      102           
  Lines        4734     4734           
=======================================
  Hits         3741     3741           
  Misses        550      550           
  Partials      443      443           

Impacted Files	Coverage Δ
pkg/v1/remote/transport/bearer.go	77.06% <100.00%> (ø)

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