make my alternate calc the default calc

FreeAPS/Resources/json/defaults/freeaps/freeaps_settings.json

@@ -45,7 +45,7 @@
   "maxCarbs": 1000,
   "displayFatAndProteinOnWatch": false,
   "overrideFactor": 0.8,
-  "useCalc": false,
+  "useCalc": true,
   "fattyMeals": false,
   "fattyMealFactor": 0.7,
   "sweetMeals": false,

FreeAPS/Sources/Models/FreeAPSSettings.swift

@@ -47,7 +47,7 @@ struct FreeAPSSettings: JSON, Equatable {
     var displayFatAndProteinOnWatch: Bool = false
     var onlyAutotuneBasals: Bool = false
     var overrideFactor: Decimal = 0.8
-    var useCalc: Bool = false
+    var useCalc: Bool = true
     var fattyMeals: Bool = false
     var fattyMealFactor: Decimal = 0.7
     var sweetMeals: Bool = false