EXOGTN-1746: [IE8] [Page Creation Wizard] UI glitch in Time box

Fix description:
* Define the width of uiCalendarComponent used in ECMS.
ECMS-6209: Incorrect description of Pending status

Problem analysis:
* In publication history property, each status has a constant of publication status description.
  This constant will be used to render i18n label.

Fix description:
* Update the constant of Pending status description.