Pim 1783 Add behat scenarios for ACL and apply ACL to entity creation and deletion buttons

Bug fix: [no]
Feature addition: [yes]
Backwards compatibility break: [no]
Unit test passes: [yes]
Behat scenarios passes: [yes]
Checkstyle issues: [no]
ChangeLog updated: [yes]
Documentation PR: ~
Fixes the following jira:
 - PIM-1783