[Infrastructure UI] Fix Hosts View date picker for some preset values (…

…elastic#152339)

## 📓 Summary

Closes elastic#151150

The issue was caused by a missing rounding up when the same string
represented dates.

## 🧪 Testing

- Navigates to Hosts View page.
- Set date-picker to `Today`.
- Verify data are correctly fetched.
Repeat the same setting the picker to `This week`

https://user-images.githubusercontent.com/34506779/221857418-dbc53fe6-6eca-4645-93cd-b939231e76b0.mov

Co-authored-by: Marco Antonio Ghiani <[email protected]>
(cherry picked from commit 671a9d8)

x-pack/plugins/infra/public/pages/metrics/hosts/hooks/use_unified_search_url_state.ts

@@ -79,7 +79,8 @@ export const useHostsUrlState = () => {
 
   const getDateRangeAsTimestamp = useCallback(() => {
     const from = DateMath.parse(state.dateRange.from)?.valueOf() ?? getDefaultFromTimestamp();
-    const to = DateMath.parse(state.dateRange.to)?.valueOf() ?? getDefaultToTimestamp();
+    const to =
+      DateMath.parse(state.dateRange.to, { roundUp: true })?.valueOf() ?? getDefaultToTimestamp();
 
     return { from, to };
   }, [state.dateRange]);