Commit 929ac90a and 0de0acb3 use the text editor from `app.officejs.com`. Which is not same domain as the main application. When Selenium tests run with Firefox. If Firefox visit a page which contains an iframe from another domain, it is unable to redirect to another link and complaints `Permission denied to access property "href"`. In order to make the test get pass on the server with FIrefox. Revert the changes the that two commits which described above.

erp5_officejs_support_request_ui_test: Delete half of tests to see if it still hang on. And only run Support Request tests.

author: Sven Franck

to be consistent with *_action role requirements.

The test that was checking for web_view action output of a
portal_type in a web site had too much hardcoded values,
making the test inconsistent in some way.

erp5_post: Sort the post list when fetching the content from database. And only get the post which state is "published".

The comment user field in the listbox which list Support Requests should show
the latest person who left comment.

Allowed change cache to update application.