fix(worktime-balance-chart): the float number was not rendered in the…

… chart if it's long float

app/components/worktime-balance-chart/component.js

@@ -17,7 +17,7 @@ export default class WorktimeBalanceChart extends Component {
       datasets: [
         {
           data: this.args.worktimeBalances.map(({ balance }) =>
-            balance.asHours()
+            Number.parseFloat(balance.asHours().toFixed(2))
           ),
         },
       ],