use string instead of XDate

Author: Inbal-Tish

src/expandableCalendar/Context/Presenter.ts

@@ -75,8 +75,8 @@ class Presenter {
     return toMarkingFormat(new XDate());
   };
 
-  getPositionAnimation = (date: XDate, todayBottomMargin = 0) => {
-    const toValue = isToday(date) ? TOP_POSITION : -todayBottomMargin || -TOP_POSITION;
+  getPositionAnimation = (date: string, todayBottomMargin = 0) => {
+    const toValue = isToday(new XDate(date)) ? TOP_POSITION : -todayBottomMargin || -TOP_POSITION;
     return {
       toValue,
       tension: 30,

src/expandableCalendar/Context/Provider.tsx

@@ -98,7 +98,7 @@ class CalendarProvider extends Component<Props> {
 
     const updateState = (buttonIcon: number) => {
       this.setState({date, prevDate: this.state.date, updateSource, buttonIcon}, () => {
-        this.animateTodayButton(new XDate(date));
+        this.animateTodayButton(date);
       });
     };
 
@@ -117,7 +117,7 @@ class CalendarProvider extends Component<Props> {
     setDisabled(showTodayButton, disabled, this.state.disabled, updateState);
   };
 
-  animateTodayButton(date: XDate) {
+  animateTodayButton(date: string) {
     const {shouldAnimateTodayButton, getPositionAnimation} = this.presenter;
 
     if (shouldAnimateTodayButton(this.props)) {