Fix ISF type

FreeAPS/Sources/Modules/Home/HomeStateModel.swift

@@ -42,7 +42,7 @@ extension Home {
         @Published var errorDate: Date? = nil
         @Published var bolusProgress: Decimal?
         @Published var eventualBG: Int?
-        @Published var isf: Int?
+        @Published var isf: Decimal?
         @Published var carbsRequired: Decimal?
         @Published var allowManualTemp = false
         @Published var units: GlucoseUnits = .mmolL