* [OPIK-446] Add durartion to trace_span

* Fix calc

* Fix pr review

* [OPIK-446] Add duration metric

* Code format

* Fix tests

* Fix condition

* OPIK-446 resolve logical conflicts after rebase

* OPIK-446 resolve logical conflicts after rebase

* OPIK-446 data layer logic encapsulation

* OPIK-446 covered invalid metric type flow properly

* OPIK-446 fixed metrics query

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Co-authored-by: Ido Berkovich <ido@comet.com>