Update terminology client to use url param

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Codecov Report

Attention: Patch coverage is 84.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 63.20%. Comparing base (5bec3b3) to head (05311ea).

Files	Patch %	Lines
...f/fhir/utility/client/TerminologyServerClient.java	84.00%	2 Missing and 2 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## package-operation-updates #488 +/- ## =============================================================== + Coverage 63.13% 63.20% +0.06% - Complexity 3518 3528 +10 =============================================================== Files 342 342 Lines 16982 17000 +18 Branches 2661 2662 +1 =============================================================== + Hits 10722 10744 +22 + Misses 5096 5088 -8 - Partials 1164 1168 +4 ```

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