[LOOP-5903] only display 2 decimal places (#928)

Author: nhamming

Loop/View Controllers/StatusTableViewController.swift

@@ -33,7 +33,7 @@ final class StatusTableViewController: LoopChartsTableViewController {
 
     lazy var insulinFormatter: QuantityFormatter = {
         let formatter = QuantityFormatter(for: .internationalUnit)
-        formatter.numberFormatter.maximumFractionDigits = 3
+        formatter.numberFormatter.maximumFractionDigits = 2
         return formatter
     }()