Fix for delete ("-") button in Add Cabs View.

Clears to "0" when deleted.

FreeAPS/Sources/Views/DecimalTextField.swift

@@ -67,7 +67,7 @@ struct DecimalTextField: UIViewRepresentable {
         let coordinator = context.coordinator
         if coordinator.isEditing {
             coordinator.resetEditing()
-        } else if value != 0 {
+        } else /* if value != 0 */ {
             textField.text = formatter.string(for: value)
         }
     }