LPS-47262 test shouldn't use DLFolderService directly

Folders were created through DLFolderService, but the test code assumed all
the extra elements created by DLApp were present (in particular, assets were
needed).
LPS-47321 Adds missing language key
LPS-47321 Lang keys
LPS-47367 Removes buffer on portlet configuraion
LPS-47367 I called it actionSeparator because it's like PortletConstants.LAYOUT_SEPARATOR, see EditPermissionsAction and see where ActionUtil.ACTION is used
LPS-47367 Sort as used
LPS-47368 Removes buffer on my sites portlet
LPS-47366 Removes buffer on expando
LPS-47369 Removes buffer on users admin
LPS-47366 SF
LPS-46416 SF
LPS-47368 SF
SF