Display after scrolling the Calendar in the sidebar of a Date Field is not correct

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.1 CE GA2, 7.4.13 DXP GA1, Master
• Component/s: Forms
• Labels:
  • liferay-ga3-ce-742
• Fix Priority: 3
• Sprint: Forms_7.4_17
• Git Pull Request: https://github.com/natocesarrego/liferay-portal/pull/1064

 Description

When the user scrolls the page with the Calendar of the Date Predefined Value open, the calendar scrolls with the page.

 Steps to Reproduce

1. Go to Content & Data > Forms 
2. Add a Multiple Selection field with three options;
3. Add a Date field;
4. Go to Advanced of this field;
5. Click in Calendar Icon of the Predefined Value;
6. Scroll the page;

 Expected Result

The calendar should stay in the same place.

 Actual Result

The calendar scrolls with the page.

  Video: ActualResult_Jun02_LPS-133592.mp4

  Reproduced In:
master: 5b048925bc6978d5e5eedd0cbbdb763636647921