Refactor conversion into expected string value

Author: mvgreen

src/main/kotlin/com/ecwid/apiclient/v3/dto/profile/result/FetchedStoreProfile.kt

@@ -334,6 +334,10 @@ data class FetchedStoreProfile(
 		app;
 
 		override fun toString(): String {
+			return asApiString()
+		}
+
+		fun asApiString(): String {
 			return super.toString().replace("_", "-")
 		}
 	}

src/main/kotlin/com/ecwid/apiclient/v3/jsontransformer/gson/typeadapters/RatesCalculationTypeDeserializer.kt

@@ -13,6 +13,6 @@ class RatesCalculationTypeDeserializer : JsonDeserializer<RatesCalculationType>
 		context: JsonDeserializationContext
 	): RatesCalculationType? {
 		val strValue = json.asString
-		return RatesCalculationType.entries.firstOrNull { it.toString() == strValue }
+		return RatesCalculationType.entries.firstOrNull { it.asApiString() == strValue }
 	}
 }