Changes to Retrieve run trace

added subschema #1: Trace tree subschema #2: Trace page to the response body oneOf list for the response status 200

the response's body type changed from object to no type for status 200

removed the optional property trace from the response with the 200 status

added the new optional query request parameter page[after]

added the new optional query request parameter page[size]

added the non-success response with the status 400

added the non-success response with the status 501

added the non-success response with the status 503

the trace/rootSpan response's property type changed from object to no type for status 200

removed the optional property trace/rootSpan/children from the response with the 200 status

removed the optional property trace/rootSpan/data from the response with the 200 status

removed the optional property trace/rootSpan/id from the response with the 200 status

removed the optional property trace/rootSpan/parentId from the response with the 200 status

removed the optional property trace/rootSpan/runId from the response with the 200 status

added SpanDetailedSummary to the trace/rootSpan response property allOf list for the response status 200

endpoint added