ECMS-6150: Can't display the publication date of node

Fix description:
  - add the publication date before generating a new frozen node
ECMS-6103: Incorrect arrow style in comboboxes (Import Node, Content Search Form)

Fix description:
 - Reduce the width to make the correct arrow appear.
ECMS-5745: No file name in warning message when trying to restore files of other user's Public folder

Problem analysis:
  - When select multiple files in Trash, we do not verify the permission if we can restore file at the target destination

Fix description:
  - Add a parameter to check IsAbleToRestore for multiple node