better handlding of parameters in inline model resolver #804

Job	Run time
Build sbt/Scala client, servers (samples/client/petstore/java/okhttp-gson)	39s
Build sbt/Scala client, servers (samples/client/petstore/scalaz)	2m 1s
Build sbt/Scala client, servers (samples/client/petstore/scala-pekko)	43s
Build sbt/Scala client, servers (samples/server/petstore/scala-lagom-server)	3m 48s
Build sbt/Scala client, servers (samples/server/petstore/scala-play-server)	5m 5s
Build sbt/Scala client, servers (samples/server/petstore/scala-akka-http-server)	1m 58s
Build sbt/Scala client, servers (samples/server/petstore/scala-pekko-http-server)	46s
Build sbt/Scala client, servers (samples/server/petstore/scalatra)	3m 9s
Build sbt/Scala client, servers (samples/server/petstore/scala-finch)	3m 0s
Build sbt/Scala client, servers (samples/server/petstore/scala-http4s-server)	49s
Build sbt/Scala client, servers (samples/server/petstore/scala-cask)	1m 1s
	22m 59s

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