Round carb equivalents

FreeAPS/Sources/Modules/AddCarbs/AddCarbsStateModel.swift

@@ -57,6 +57,8 @@ extension AddCarbs {
                 var equivalent: Decimal = carbEquivalents / Decimal(computedDuration)
                 // Adjust for interval setting other than 60 minutes
                 equivalent /= Decimal(60 / interval)
+                // Round to 1 fraction digit
+                equivalent = Decimal(round(Double(equivalent * 10) / 10))
                 // Number of equivalents
                 var numberOfEquivalents = carbEquivalents / equivalent
                 // Only use delay in first loop