LPS-49070 Revert LPS-46821, this makes it so that multiple related asset portlets cannot be used on the same page
LPS-49070 Revert LPS-47920 as it's no longer needed
LPS-49070 keep different struts-path, they are still useful
LPS-49070 Create a portlet filter for related assets portlets (no logic change)
LPS-49070 Clear render parameters before rendering the related assets portlet when no asset entry is selected, this is similar to what we were doing before
LPS-49070 Source Formatting
LPS-49070 remove unthrown exception
LPS-49070 *Filter is for servlet filters. *PortletFilter is for portlet filters. See CheckboxParametersPortletFilter
LPS-49070 I generally use "request" because that's the jsp implicit var. But there isn't one for wrapper, so I just all it the full var name. See usage in PortalImpl