ECMS-4765: Too small window of Flash preview

Fix description:
  - Set the height of Flash preview
ECMS-5464: Return acme homepage when open a page in search result

Fix description:
  - Regression from ECMS-4453
  - Add urlSearch only for result search for Document
Revert "ECMS-5215: AccessDeniedException and cannot delete node by user having only delete permission"

This reverts commit 8532765467d700fd58e9b4a44d0645aa4780fa1a.

Regression ECMS-5475