Fix decimal input in Manual TBR screen

FreeAPS/Sources/Modules/ManualTempBasal/View/ManualTempBasalRootView.swift

@@ -7,7 +7,7 @@ extension ManualTempBasal {
         private var formatter: NumberFormatter {
             let formatter = NumberFormatter()
             formatter.numberStyle = .decimal
-            formatter.maximumFractionDigits = 0
+            formatter.maximumFractionDigits = 2
             return formatter
         }