Fix: Rounding transactions numbers

Bigdecimal values can have extreme amounts of decimals. Transaction cards now round by converting to float (only visually)

src/main/java/edu/ntnu/idi/idatt2003/g40/mappe/view/widgets/transactions/TransactionsController.java

@@ -67,7 +67,7 @@ private void filterData(final String searchKeyword, final Integer weekTarget) {
                 t.getShare().getStock().getSymbol(),
                 t.getShare().getStock().getCompany(),
                 sharePrefix + t.getShare().getQuantity().floatValue() + " shares",
-                moneyPrefix + t.getCalculator().calculateTotal().toString() + " NOK",
+                moneyPrefix + t.getCalculator().calculateTotal().floatValue() + " NOK",
                 weekTarget.toString());
       }
     });