Code hygiene and cleanup

* replaced string concat with string template
* moved variable declaration into when

core/src/main/kotlin/io/specmatic/core/Dictionary.kt

@@ -28,7 +28,7 @@ class Dictionary(private val map: Map<String, Value> = emptyMap()) {
         val newMap = value.jsonObject.mapValues { (key, value) ->
 
             val updatedPaths = paths.map { path ->
-                path + ".$key"
+                "$path.$key"
             }.ifEmpty { listOf(key) }
 
             val pathFoundInDictionary = updatedPaths.firstOrNull { it in map }

core/src/main/kotlin/io/specmatic/core/HttpResponsePattern.kt

@@ -41,9 +41,7 @@ data class HttpResponsePattern(
     }
 
     fun matches(response: HttpResponse, resolver: Resolver): Result {
-        val result = matchesResponse(response, resolver)
-
-        return when(result) {
+        return when(val result = matchesResponse(response, resolver)) {
             is Result.Failure -> result.breadCrumb("RESPONSE")
             else -> result
         }